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 2022, the population of Fairfield County was 162,898, a 1.06% increase year-by-year from 2021. Previously, in 2021, Fairfield County population was 161,182, an increase of 1.09% compared to a population of 159,443 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Fairfield County increased by 39,429. In this period, the peak population was 162,898 in the year 2022. 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).

Content

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

Data Coverage:

• From 2000 to 2022

Variables / Data Columns

• Year: This column displays the data year (Measured annually and for years 2000 to 2022)
• 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

Graph and download economic data for Estimate, Median Age by Sex, Total Population (5-year estimate) in Fairfield County, OH (B01002001E039045) from 2009 to 2023 about Fairfield County, OH; Columbus; age; OH; median; 5-year; and USA.

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.

Graph and download economic data for Population Estimate, Total, Hispanic or Latino, Two or More Races (5-year estimate) in Fairfield County, OH (B03002019E039045) from 2009 to 2023 about Fairfield County, OH; Columbus; OH; latino; hispanic; estimate; persons; 5-year; population; and USA.

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; persons; 5-year; population; and USA.

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; persons; 5-year; population; and USA.

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 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.

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

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

U.S. Census Bureau QuickFacts statistics for Fairfield County, Connecticut. QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.

About this dataset

Context

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

Key observations

There is a slight majority of female population, with 51.79% 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 town is shown in this column.
• % of Total Population: This column displays the percentage distribution of each gender as a proportion of Fairfield town 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 town Population by Gender. You can refer the same here

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.

U.S. Census Bureau QuickFacts statistics for New Fairfield town, Fairfield County, Connecticut. QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation.

The All Roads Shapefile includes all features within the MTDB Super Class "Road/Path Features" distinguished where the MAF/TIGER Feature Classification Code (MTFCC) for the feature in MTDB that begins with "S". This includes all primary, secondary, local neighborhood, and rural roads, city streets, vehicular trails (4wd), ramps, service drives, alleys, parking lot roads, private roads for service vehicles (logging, oil fields, ranches, etc.), bike paths or trails, bridle/horse paths, walkways/pedestrian trails, stairways, and winter trails.

Population Estimate, Total, Hispanic or Latino (5-year estimate) in Fairfield County, CT was 196340.00000 Persons in January of 2021, according to the United States Federal Reserve. Historically, Population Estimate, Total, Hispanic or Latino (5-year estimate) in Fairfield County, CT reached a record high of 196340.00000 in January of 2021 and a record low of 133093.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Hispanic or Latino (5-year estimate) in Fairfield County, CT - last updated from the United States Federal Reserve on August of 2025.

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 August of 2025.

U.S. Census Bureau QuickFacts statistics for Bridgeport town, Fairfield County, Connecticut. QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.

U.S. Census Bureau QuickFacts statistics for Westport town, Fairfield County, Connecticut. QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.

About this dataset

Context

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

Key observations

The percent distribution of Fairfield town population by race (across all racial categories recognized by the U.S. Census Bureau): 87.19% are white, 2.07% are Black or African American, 0.01% are American Indian and Alaska Native, 4.21% are Asian, 1.90% are some other race and 4.61% are multiracial.

https://i.neilsberg.com/ch/fairfield-ct-population-by-race.jpeg" alt="Fairfield town 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 town
• Population: The population of the racial category (excluding ethnicity) in the Fairfield town is shown in this column.
• % of Total Population: This column displays the percentage distribution of each race as a proportion of Fairfield town 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 town Population by Race & Ethnicity. You can refer the same here

U.S. Census Bureau QuickFacts statistics for Greenwich town, Fairfield County, Connecticut. QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.

U.S. Census Bureau QuickFacts statistics for Shelton town, Fairfield County, Connecticut. QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.