About this dataset

Context

The dataset tabulates the Fairfield County population over the last 20 plus years. It lists the population for each year, along with the year on year change in population, as well as the change in percentage terms for each year. The dataset can be utilized to understand the population change of Fairfield County across the last two decades. For example, using this dataset, we can identify if the population is declining or increasing. If there is a change, when the population peaked, or if it is still growing and has not reached its peak. We can also compare the trend with the overall trend of United States population over the same period of time.

Key observations

In 2021, the population of Fairfield County was 959,768, a 0.41% increase year-by-year from 2020. Previously, in 2020, Fairfield County population was 955,895, an increase of 1.22% compared to a population of 944,388 in 2019. Over the last 20 plus years, between 2000 and 2021, population of Fairfield County increased by 75,436. In this period, the peak population was 959,768 in the year 2021. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth. Source: U.S. Census Bureau Population Estimates Program (PEP).

https://i.neilsberg.com/ch/population-of-fairfield-county-ct-population-by-year-2000-2021.jpeg" alt="Fairfield County population by year">

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

• From 2000 to 2021

Variables / Data Columns

• Year: This column displays the data year (Measured annually and for years 2000 to 2021)
• Population: The population for the specific year for the Fairfield County is shown in this column.
• Year on Year Change: This column displays the change in Fairfield County population for each year compared to the previous year.
• Change in Percent: This column displays the year on year change as a percentage. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Fairfield County Population by Year. You can refer the same here

About this dataset

Context

The dataset tabulates the data for the Fairfield County, CT population pyramid, which represents the Fairfield County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey 5-Year estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

• Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Fairfield County, CT, is 27.6.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Fairfield County, CT, is 24.0.
• Total dependency ratio for Fairfield County, CT is 51.6.
• Potential support ratio, which is the number of youth (working age population) per elderly, for Fairfield County, CT is 4.2.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group for the Fairfield County population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Fairfield County for the selected age group is shown in the following column.
• Population (Female): The female population in the Fairfield County for the selected age group is shown in the following column.
• Total Population: The total population of the Fairfield County for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Fairfield County Population by Age. You can refer the same here

Graph and download economic data for Resident Population in Fairfield County, CT (DISCONTINUED) (CTFAIR1POP) from 1970 to 2021 about Fairfield County, CT; Bridgeport; CT; residents; population; and USA.

About this dataset

Context

The dataset tabulates the Fairfield County population distribution across 18 age groups. It lists the population in each age group along with the percentage population relative of the total population for Fairfield County. The dataset can be utilized to understand the population distribution of Fairfield County by age. For example, using this dataset, we can identify the largest age group in Fairfield County.

Key observations

The largest age group in Fairfield County, CT was for the group of age 55-59 years with a population of 72,231 (7.55%), according to the 2021 American Community Survey. At the same time, the smallest age group in Fairfield County, CT was the 80-84 years with a population of 17,278 (1.81%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Variables / Data Columns

• Age Group: This column displays the age group in consideration
• Population: The population for the specific age group in the Fairfield County is shown in this column.
• % of Total Population: This column displays the population of each age group as a proportion of Fairfield County total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Fairfield County Population by Age. You can refer the same here

About this dataset

Context

The dataset tabulates the Fairfield County population by year. The dataset can be utilized to understand the population trend of Fairfield County.

Content

The dataset constitues the following datasets

• Fairfield County, CT Population Dataset: Yearly Figures, Population Change, and Percent Change Analysis

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Graph and download economic data for Estimate, Median Age by Sex, Total Population (5-year estimate) in Fairfield County, CT (B01002001E009001) from 2009 to 2021 about Fairfield County, CT; Bridgeport; age; CT; 5-year; median; and USA.

About this dataset

Context

The dataset tabulates the population of Fairfield County by race. It includes the population of Fairfield County across racial categories (excluding ethnicity) as identified by the Census Bureau. The dataset can be utilized to understand the population distribution of Fairfield County across relevant racial categories.

Key observations

The percent distribution of Fairfield County population by race (across all racial categories recognized by the U.S. Census Bureau): 68% are white, 11.47% are Black or African American, 0.23% are American Indian and Alaska Native, 5.45% are Asian, 0.06% are Native Hawaiian and other Pacific Islander, 8.10% are some other race and 6.70% are multiracial.

https://i.neilsberg.com/ch/fairfield-county-ct-population-by-race.jpeg" alt="Fairfield County population by race">

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Racial categories include:

• White
• Black or African American
• American Indian and Alaska Native
• Asian
• Native Hawaiian and Other Pacific Islander
• Some other race
• Two or more races (multiracial)

Variables / Data Columns

• Race: This column displays the racial categories (excluding ethnicity) for the Fairfield County
• Population: The population of the racial category (excluding ethnicity) in the Fairfield County is shown in this column.
• % of Total Population: This column displays the percentage distribution of each race as a proportion of Fairfield County total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Fairfield County Population by Race & Ethnicity. You can refer the same here

Graph and download economic data for Population Estimate, Total (5-year estimate) in Fairfield County, CT (B03002001E009001) from 2009 to 2021 about Fairfield County, CT; Bridgeport; CT; estimate; 5-year; persons; population; and USA.

About this dataset

Context

The dataset tabulates the Non-Hispanic population of Fairfield County by race. It includes the distribution of the Non-Hispanic population of Fairfield County across various race categories as identified by the Census Bureau. The dataset can be utilized to understand the Non-Hispanic population distribution of Fairfield County across relevant racial categories.

Key observations

Of the Non-Hispanic population in Fairfield County, the largest racial group is White alone with a population of 571,692 (75.21% of the total Non-Hispanic population).

https://i.neilsberg.com/ch/fairfield-county-ct-population-by-race-and-ethnicity.jpeg" alt="Fairfield County Non-Hispanic population by race">

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Racial categories include:

• White
• Black or African American
• American Indian and Alaska Native
• Asian
• Native Hawaiian and Other Pacific Islander
• Some other race
• Two or more races (multiracial)

Variables / Data Columns

• Race: This column displays the racial categories (for Non-Hispanic) for the Fairfield County
• Population: The population of the racial category (for Non-Hispanic) in the Fairfield County is shown in this column.
• % of Total Population: This column displays the percentage distribution of each race as a proportion of Fairfield County total Non-Hispanic population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Fairfield County Population by Race & Ethnicity. You can refer the same here

Graph and download economic data for Equifax Subprime Credit Population for Fairfield County, CT (EQFXSUBPRIME009001) from Q2 2014 to Q2 2025 about Fairfield County, CT; Bridgeport; subprime; CT; population; and USA.

About this dataset

Context

The dataset tabulates the Fairfield County population by race and ethnicity. The dataset can be utilized to understand the racial distribution of Fairfield County.

Content

The dataset will have the following datasets when applicable

Please note that in case when either of Hispanic or Non-Hispanic population doesnt exist, the respective dataset will not be available (as there will not be a population subset applicable for the same)

• Fairfield County, CT Population Breakdown by Race
• Fairfield County, CT Non-Hispanic Population Breakdown by Race
• Fairfield County, CT Hispanic or Latino Population Distribution by Their Ancestries

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Graph and download economic data for Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in Fairfield County, CT (B03002005E009001) from 2009 to 2021 about Fairfield County, CT; Bridgeport; Native Alaskan; American Indian; CT; non-hispanic; estimate; 5-year; persons; population; and USA.

Comprehensive demographic dataset for Fairfield County, CT, US including population statistics, household income, housing units, education levels, employment data, and transportation with year-over-year changes.

Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Fairfield County, CT was 571692.00000 Persons in January of 2021, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Fairfield County, CT reached a record high of 618312.00000 in January of 2009 and a record low of 571692.00000 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Fairfield County, CT - last updated from the United States Federal Reserve on September of 2025.

About this dataset

Context

The dataset tabulates the population of Fairfield County by gender, including both male and female populations. This dataset can be utilized to understand the population distribution of Fairfield County across both sexes and to determine which sex constitutes the majority.

Key observations

There is a slight majority of female population, with 51.02% of total population being female. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Scope of gender :

Please note that American Community Survey asks a question about the respondents current sex, but not about gender, sexual orientation, or sex at birth. The question is intended to capture data for biological sex, not gender. Respondents are supposed to respond with the answer as either of Male or Female. Our research and this dataset mirrors the data reported as Male and Female for gender distribution analysis. No further analysis is done on the data reported from the Census Bureau.

Variables / Data Columns

• Gender: This column displays the Gender (Male / Female)
• Population: The population of the gender in the Fairfield County is shown in this column.
• % of Total Population: This column displays the percentage distribution of each gender as a proportion of Fairfield County total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Fairfield County Population by Gender. You can refer the same here

Graph and download economic data for Net County-to-County Migration Flow (5-year estimate) for Fairfield County, CT (DISCONTINUED) (NETMIGNACS009001) from 2009 to 2020 about Fairfield County, CT; Bridgeport; migration; flow; CT; Net; 5-year; and population.

Estimate, Median Age by Sex, Total Population (5-year estimate) in Fairfield County, CT was 40.70000 Years of Age in January of 2021, according to the United States Federal Reserve. Historically, Estimate, Median Age by Sex, Total Population (5-year estimate) in Fairfield County, CT reached a record high of 40.80000 in January of 2020 and a record low of 38.70000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate, Median Age by Sex, Total Population (5-year estimate) in Fairfield County, CT - last updated from the United States Federal Reserve on September of 2025.

About this dataset

Context

The dataset tabulates the population of Fairfield County by gender across 18 age groups. It lists the male and female population in each age group along with the gender ratio for Fairfield County. The dataset can be utilized to understand the population distribution of Fairfield County by gender and age. For example, using this dataset, we can identify the largest age group for both Men and Women in Fairfield County. Additionally, it can be used to see how the gender ratio changes from birth to senior most age group and male to female ratio across each age group for Fairfield County.

Key observations

Largest age group (population): Male # 50-54 years (35,248) | Female # 55-59 years (37,922). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

• Under 5 years
• 5 to 9 years
• 10 to 14 years
• 15 to 19 years
• 20 to 24 years
• 25 to 29 years
• 30 to 34 years
• 35 to 39 years
• 40 to 44 years
• 45 to 49 years
• 50 to 54 years
• 55 to 59 years
• 60 to 64 years
• 65 to 69 years
• 70 to 74 years
• 75 to 79 years
• 80 to 84 years
• 85 years and over

Scope of gender :

Please note that American Community Survey asks a question about the respondents current sex, but not about gender, sexual orientation, or sex at birth. The question is intended to capture data for biological sex, not gender. Respondents are supposed to respond with the answer as either of Male or Female. Our research and this dataset mirrors the data reported as Male and Female for gender distribution analysis.

Variables / Data Columns

• Age Group: This column displays the age group for the Fairfield County population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Fairfield County is shown in the following column.
• Population (Female): The female population in the Fairfield County is shown in the following column.
• Gender Ratio: Also known as the sex ratio, this column displays the number of males per 100 females in Fairfield County for each age group.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Fairfield County Population by Gender. You can refer the same here

About this dataset

Context

This list ranks the 24 cities in the Fairfield County, CT by Hispanic White population, as estimated by the United States Census Bureau. It also highlights population changes in each cities over the past five years.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates, including:

• 2019-2023 American Community Survey 5-Year Estimates
• 2018-2022 American Community Survey 5-Year Estimates
• 2017-2021 American Community Survey 5-Year Estimates
• 2016-2020 American Community Survey 5-Year Estimates
• 2015-2019 American Community Survey 5-Year Estimates

Variables / Data Columns

• Rank by Hispanic White Population: This column displays the rank of cities in the Fairfield County, CT by their Hispanic White population, using the most recent ACS data available.
• cities: The cities for which the rank is shown in the previous column.
• Hispanic White Population: The Hispanic White population of the cities is shown in this column.
• % of Total cities Population: This shows what percentage of the total cities population identifies as Hispanic White. Please note that the sum of all percentages may not equal one due to rounding of values.
• % of Total Fairfield County Hispanic White Population: This tells us how much of the entire Fairfield County, CT Hispanic White population lives in that cities. Please note that the sum of all percentages may not equal one due to rounding of values.
• 5 Year Rank Trend: TThis column displays the rank trend across the last 5 years.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Resident Population in Fairfield County, CT was 959.76800 Thous. of Persons in January of 2021, according to the United States Federal Reserve. Historically, Resident Population in Fairfield County, CT reached a record high of 959.76800 in January of 2021 and a record low of 786.50000 in January of 1973. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Fairfield County, CT - last updated from the United States Federal Reserve on October of 2025.