About this dataset

Context

The dataset tabulates the Williamson 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 Williamson 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 2023, the population of Williamson County was 264,460, a 1.43% increase year-by-year from 2022. Previously, in 2022, Williamson County population was 260,738, an increase of 1.82% compared to a population of 256,065 in 2021. Over the last 20 plus years, between 2000 and 2023, population of Williamson County increased by 136,359. In this period, the peak population was 264,460 in the year 2023. 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 2023

Variables / Data Columns

• Year: This column displays the data year (Measured annually and for years 2000 to 2023)
• Population: The population for the specific year for the Williamson County is shown in this column.
• Year on Year Change: This column displays the change in Williamson 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 Williamson County Population by Year. You can refer the same here

Graph and download economic data for Population Estimate, Total, Hispanic or Latino (5-year estimate) in Williamson County, TN (B03002012E047187) from 2009 to 2023 about Williamson County, TN; Nashville; TN; latino; hispanic; estimate; persons; 5-year; population; and USA.

About this dataset

Context

The dataset tabulates the Williamson County population by gender and age. The dataset can be utilized to understand the gender distribution and demographics of Williamson County.

Content

The dataset constitues the following two datasets across these two themes

• Williamson County, TN Population Breakdown by Gender
• Williamson County, TN Population Breakdown by Gender and Age

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/.

About this dataset

Context

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

Key observations

The largest age group in Williamson County, TN was for the group of age 40 to 44 years years with a population of 20,869 (8.20%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Williamson County, TN was the 85 years and over years with a population of 3,212 (1.26%). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Williamson County is shown in this column.
• % of Total Population: This column displays the population of each age group as a proportion of Williamson 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 Williamson County Population by Age. You can refer the same here

About this dataset

Context

The dataset tabulates the Williamson County population by age. The dataset can be utilized to understand the age distribution and demographics of Williamson County.

Content

The dataset constitues the following three datasets

• Williamson County, TN Age Group Population Dataset: A complete breakdown of Williamson County age demographics from 0 to 85 years, distributed across 18 age groups
• Williamson County, TN Age Cohorts Dataset: Children, Working Adults, and Seniors in Williamson County - Population and Percentage Analysis
• Williamson County, TN Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics 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 Percent of Population Below the Poverty Level (5-year estimate) in Williamson County, TN (S1701ACS047187) from 2012 to 2023 about Williamson County, TN; Nashville; TN; percent; poverty; 5-year; population; and USA.

About this dataset

Context

The dataset tabulates the population of Williamson County by gender across 18 age groups. It lists the male and female population in each age group along with the gender ratio for Williamson County. The dataset can be utilized to understand the population distribution of Williamson County by gender and age. For example, using this dataset, we can identify the largest age group for both Men and Women in Williamson 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 Williamson County.

Key observations

Largest age group (population): Male # 10-14 years (10,583) | Female # 40-44 years (10,657). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Williamson County population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Williamson County is shown in the following column.
• Population (Female): The female population in the Williamson 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 Williamson 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 Williamson County Population by Gender. You can refer the same here

Graph and download economic data for Estimate, Median Age by Sex, Total Population (5-year estimate) in Williamson County, TN (B01002001E047187) from 2009 to 2023 about Williamson County, TN; Nashville; age; TN; median; 5-year; and USA.

About this dataset

Context

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

Key observations

The percent distribution of Williamson County population by race (across all racial categories recognized by the U.S. Census Bureau): 82.79% are white, 3.80% are Black or African American, 0.17% are American Indian and Alaska Native, 5.22% are Asian, 0.03% are Native Hawaiian and other Pacific Islander, 1.31% are some other race and 6.69% are multiracial.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Williamson County
• Population: The population of the racial category (excluding ethnicity) in the Williamson County is shown in this column.
• % of Total Population: This column displays the percentage distribution of each race as a proportion of Williamson 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 Williamson County Population by Race & Ethnicity. You can refer the same here

U.S. Census Bureau QuickFacts statistics for Williamson County, Tennessee. 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 data for the Williamson County, TN population pyramid, which represents the Williamson County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Williamson County, TN, is 32.3.
• Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Williamson County, TN, is 22.0.
• Total dependency ratio for Williamson County, TN is 54.4.
• Potential support ratio, which is the number of youth (working age population) per elderly, for Williamson County, TN is 4.5.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Williamson County population analysis. Total expected values are 18 and are define above in the age groups section.
• Population (Male): The male population in the Williamson County for the selected age group is shown in the following column.
• Population (Female): The female population in the Williamson County for the selected age group is shown in the following column.
• Total Population: The total population of the Williamson 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 Williamson County Population by Age. You can refer the same here

Resident Population in Williamson County, TN was 269.13600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Williamson County, TN reached a record high of 269.13600 in January of 2024 and a record low of 34.42300 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Williamson County, TN - last updated from the United States Federal Reserve on July of 2025.

Graph and download economic data for Net County-to-County Migration Flow (5-year estimate) for Williamson County, TN (DISCONTINUED) (NETMIGNACS047187) from 2009 to 2020 about Williamson County, TN; Nashville; migration; flow; TN; Net; 5-year; and population.

Estimate, Median Age by Sex, Total Population (5-year estimate) in Williamson County, TN was 40.30000 Years of Age in January of 2023, according to the United States Federal Reserve. Historically, Estimate, Median Age by Sex, Total Population (5-year estimate) in Williamson County, TN reached a record high of 40.30000 in January of 2023 and a record low of 37.90000 in January of 2010. 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 Williamson County, TN - last updated from the United States Federal Reserve on July of 2025.

Population Estimate, Total, Hispanic or Latino (5-year estimate) in Williamson County, TN was 14809.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Hispanic or Latino (5-year estimate) in Williamson County, TN reached a record high of 14809.00000 in January of 2023 and a record low of 6787.00000 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 Williamson County, TN - last updated from the United States Federal Reserve on July of 2025.

Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Williamson County, TN was 207584.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Williamson County, TN reached a record high of 207584.00000 in January of 2023 and a record low of 144381.00000 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, White Alone (5-year estimate) in Williamson County, TN - last updated from the United States Federal Reserve on June of 2025.

Graph and download economic data for Population Estimate, Total, Not Hispanic or Latino, Some Other Race Alone (5-year estimate) in Williamson County, TN (B03002008E047187) from 2009 to 2023 about Williamson County, TN; Nashville; TN; non-hispanic; estimate; persons; 5-year; population; and USA.

About this dataset

Context

The dataset presents the median household income across different racial categories in Williamson County. It portrays the median household income of the head of household across racial categories (excluding ethnicity) as identified by the Census Bureau. The dataset can be utilized to gain insights into economic disparities and trends and explore the variations in median houshold income for diverse racial categories.

Key observations

Based on our analysis of the distribution of Williamson County population by race & ethnicity, the population is predominantly White. This particular racial category constitutes the majority, accounting for 82.79% of the total residents in Williamson County. Notably, the median household income for White households is $133,177. Interestingly, despite the White population being the most populous, it is worth noting that Asian households actually reports the highest median household income, with a median income of $168,828. This reveals that, while Whites may be the most numerous in Williamson County, Asian households experience greater economic prosperity in terms of median household income.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 of the head of household: This column presents the self-identified race of the household head, encompassing all relevant racial categories (excluding ethnicity) applicable in Williamson County.
• Median household income: Median household income, adjusting for inflation, presented in 2023-inflation-adjusted dollars

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 Williamson County median household income by race. You can refer the same here

About this dataset

Context

The dataset tabulates the Williamson 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 Williamson 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 Williamson County was 260,815, a 1.80% increase year-by-year from 2021. Previously, in 2021, Williamson County population was 256,209, an increase of 2.67% compared to a population of 249,538 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Williamson County increased by 132,714. In this period, the peak population was 260,815 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 Williamson County is shown in this column.
• Year on Year Change: This column displays the change in Williamson 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 Williamson County Population by Year. You can refer the same here

Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Williamson County, TN was 9670.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Williamson County, TN reached a record high of 9772.00000 in January of 2021 and a record low of 7416.00000 in January of 2010. 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 Williamson County, TN - last updated from the United States Federal Reserve on June of 2025.