About this dataset

Context

The dataset tabulates the Windham 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 Windham 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 Windham County was 116,418, a 0.15% increase year-by-year from 2020. Previously, in 2020, Windham County population was 116,240, a decline of 0.55% compared to a population of 116,884 in 2019. Over the last 20 plus years, between 2000 and 2021, population of Windham County increased by 7,234. In this period, the peak population was 118,543 in the year 2010. The numbers suggest that the population has already reached its peak and is showing a trend of decline. Source: U.S. Census Bureau Population Estimates Program (PEP).

https://i.neilsberg.com/ch/population-of-windham-county-ct-population-by-year-2000-2021.jpeg" alt="Windham 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 Windham County is shown in this column.
• Year on Year Change: This column displays the change in Windham 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 Windham County Population by Year. You can refer the same here

About this dataset

Context

The dataset tabulates the Windham town 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 Windham town. The dataset can be utilized to understand the population distribution of Windham town by age. For example, using this dataset, we can identify the largest age group in Windham town.

Key observations

The largest age group in Windham, Connecticut was for the group of age 20-24 years with a population of 3,091 (12.63%), according to the 2021 American Community Survey. At the same time, the smallest age group in Windham, Connecticut was the 80-84 years with a population of 336 (1.37%). 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 Windham town is shown in this column.
• % of Total Population: This column displays the population of each age group as a proportion of Windham 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 Windham town Population by Age. You can refer the same here

Graph and download economic data for Resident Population in Windham County, CT (DISCONTINUED) (CTWIND5POP) from 1970 to 2021 about Windham County, CT; CT; residents; population; and USA.

Graph and download economic data for Estimate, Median Age by Sex, Total Population (5-year estimate) in Windham County, CT (B01002001E009015) from 2009 to 2021 about Windham County, CT; age; CT; 5-year; median; and USA.

About this dataset

Context

The dataset tabulates the data for the Windham, Connecticut population pyramid, which represents the Windham town 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 Windham, Connecticut, is 21.1.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Windham, Connecticut, is 19.0.
• Total dependency ratio for Windham, Connecticut is 40.0.
• Potential support ratio, which is the number of youth (working age population) per elderly, for Windham, Connecticut is 5.3.

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 Windham town population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Windham town for the selected age group is shown in the following column.
• Population (Female): The female population in the Windham town for the selected age group is shown in the following column.
• Total Population: The total population of the Windham town 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 Windham town Population by Age. You can refer the same here

Graph and download economic data for Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Windham County, CT (B03002004E009015) from 2009 to 2021 about Windham County, CT; African-American; CT; non-hispanic; estimate; persons; 5-year; population; and USA.

U.S. Census Bureau QuickFacts statistics for Windham town, Windham 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 Windham town by gender, including both male and female populations. This dataset can be utilized to understand the population distribution of Windham town across both sexes and to determine which sex constitutes the majority.

Key observations

There is a slight majority of female population, with 52.15% 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 Windham town is shown in this column.
• % of Total Population: This column displays the percentage distribution of each gender as a proportion of Windham 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 Windham town Population by Gender. You can refer the same here

Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Windham County, CT was 94501.00000 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 Windham County, CT reached a record high of 101333.00000 in January of 2009 and a record low of 94501.00000 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 Windham County, CT - last updated from the United States Federal Reserve on September of 2025.

Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Windham County, CT was 2234.00000 Persons in January of 2021, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Windham County, CT reached a record high of 2300.00000 in January of 2020 and a record low of 1770.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Windham County, CT - last updated from the United States Federal Reserve on July of 2025.

Estimate, Median Age by Sex, Total Population (5-year estimate) in Windham County, CT was 41.20000 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 Windham County, CT reached a record high of 41.30000 in January of 2018 and a record low of 38.00000 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 Windham County, CT - last updated from the United States Federal Reserve on July of 2025.

Population Estimate, Total, Not Hispanic or Latino, Asian Alone (5-year estimate) in Windham County, CT was 1584.00000 Persons in January of 2021, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Asian Alone (5-year estimate) in Windham County, CT reached a record high of 1593.00000 in January of 2019 and a record low of 1094.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, Asian Alone (5-year estimate) in Windham County, CT - last updated from the United States Federal Reserve on September of 2025.

Resident Population in Windham County, CT was 116.41800 Thous. of Persons in January of 2021, according to the United States Federal Reserve. Historically, Resident Population in Windham County, CT reached a record high of 118.54300 in January of 2010 and a record low of 84.51500 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Windham County, CT - last updated from the United States Federal Reserve on September of 2025.

U.S. Census Bureau QuickFacts statistics for Windham town, Southeastern Connecticut Planning Region, 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.

Graph and download economic data for Percent of Population Below the Poverty Level (5-year estimate) in Windham County, CT (S1701ACS009015) from 2012 to 2021 about Windham County, CT; CT; poverty; percent; 5-year; population; and USA.

Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in Windham County, CT was 127.00000 Persons in January of 2021, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in Windham County, CT reached a record high of 229.00000 in January of 2013 and a record low of 26.00000 in January of 2017. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in Windham County, CT - last updated from the United States Federal Reserve on September of 2025.

Graph and download economic data for Population Estimate, Total, Not Hispanic or Latino, Some Other Race Alone (5-year estimate) in Windham County, CT (B03002008E009015) from 2009 to 2021 about Windham County, CT; CT; non-hispanic; estimate; persons; 5-year; population; and USA.

About this dataset

Context

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

Key observations

The percent distribution of Windham town population by race (across all racial categories recognized by the U.S. Census Bureau): 71.30% are white, 5.17% are Black or African American, 0.45% are American Indian and Alaska Native, 1.59% are Asian, 10.09% are some other race and 11.40% are multiracial.

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

Estimate of People Age 0-17 in Poverty in Windham County, CT was 3680.00000 Persons in January of 2021, according to the United States Federal Reserve. Historically, Estimate of People Age 0-17 in Poverty in Windham County, CT reached a record high of 4828.00000 in January of 1997 and a record low of 2770.00000 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate of People Age 0-17 in Poverty in Windham County, CT - last updated from the United States Federal Reserve on August of 2025.

Graph and download economic data for Equifax Subprime Credit Population for Windham County, CT (EQFXSUBPRIME009015) from Q2 2014 to Q2 2025 about Windham County, CT; subprime; CT; population; and USA.