Williamson County, Tennessee
TN · FIPS 47187 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 260,351 | — | #277 / 3,222 | |
| Median Household Income | $135,594 | +80.4% | #20 / 3,222 | |
| Median Age | 40.4 years | +3.9% | #2,009 / 3,222 | |
| Median Home Value | $751,900 | +166.7% | #38 / 3,222 | |
| Median Gross Rent | $1,969 | +69.3% | #53 / 3,222 | |
| Poverty Rate | 4.6% | -63.2% | #27 / 3,222 | |
Demographics
Williamson County has a population of 260,351, making it the #277 most populous county in the US. The median age is 40.4 years, which is 3.9% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in Williamson County is $135,594, ranking #20 out of 3,222 counties — 80.4% above the national median. The poverty rate is 4.6% and unemployment stands at 2.4%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in Williamson County is $751,900 (+166.7% vs national). Renters pay a median of $1,969/mo and the homeownership rate is 78.8%.
Median Home Value Trend
Rankings →Health
95.6% of residents in Williamson County have health insurance coverage, which is 4.2% above the national rate.
About Williamson County, Tennessee
Williamson County, Tennessee has a total population of 260,351, making it the 277th most populous county in the United States. The median age in Williamson County is 40.4 years, which is 3.9% above the national median of 38.9 years.
The median household income in Williamson County is $135,594, which ranks #20 of 3,222 counties nationwide. This is 80.4% above the national median of $75,149. The poverty rate is 4.6%, lower than the national rate of 12.6%. The unemployment rate stands at 2.4%.
The median home value in Williamson County is $751,900, 166.7% above the national median. Renters in Williamson County pay a median gross rent of $1,969 per month. The homeownership rate is 78.8%, compared to the national rate of 64.4%.
In Williamson County, 62.7% of residents aged 25 and older hold a bachelor's degree or higher, 86.0% above the national average of 33.7%. Health insurance coverage stands at 95.6% of the population. The average commute time for workers is 30.1 min.
Williamson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 80.9% of the population, followed by Hispanic or Latino (6.0%) and Asian (non-Hispanic) (5.3%).
All data for Williamson County, Tennessee comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.