Unified School District · TN
Williamson County School District
Williamson County School District is a unified school district in Tennessee with a community population of 219,821. The median household income is $148,134 and the median age is 40.6.
219,821
Population
391
People / sq mi
$148,134
Median Income
40.6
Median Age
Williamson County School District covers 562 sq mi of land at 391.1 people per square mile.
Race & Ethnicity
| White | 83.1% |
| Black or African American | 0.1% |
| Asian | 53.6% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$148,134
Median Household Income
$68,010
Per Capita Income
3.0%
Poverty Rate
1.6%
Unemployment
Housing
$779,100
Median Home Value
$2,078
Median Rent
84.6%
Homeownership
Education Attainment
96.8%
High School+
64.2%
Bachelor's+
Other Tennessee School Districts
Largest Cities in Tennessee
Largest Counties in Tennessee
Congressional Districts in Tennessee
State rankings
Frequently Asked Questions
Williamson County School District serves a community with a population of 219,821 according to the latest Census ACS 5-Year estimates. This unified school district is located in Tennessee.
The median household income in Williamson County School District is $148,134, with a per capita income of $68,010. The poverty rate is 3.0%.
Williamson County School District is 83.1% White, 0.1% Black or African American, 53.6% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Williamson County School District, 96.8% of adults have a high school diploma or higher, and 64.2% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Williamson County School District is $779,100, with a median rent of $2,078. The homeownership rate is 84.6%.
More from Tennessee
Data for Williamson County School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 4704530).
Williamson County School District is defined demographically by education — 64.2% of adults hold a bachelor’s degree, above the national average. With 219,821 residents, Williamson County School District is a school district in Tennessee.
Income is a real outlier — the median household pulls in $148,134, putting Williamson County School District near the top of US school districts. The poverty rate, 3.0%, is on the lower side for US school districts and below the national 12.4%. Real estate commands a premium here — a median home value of $779,100, with typical rent around $2,078.
Degree attainment is near the top of the range for US school districts: 64.2% of adults 25+ hold a bachelor’s, above the 35.0% national rate.
The education numbers are the throughline: a college-heavy population in Williamson County School District usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Source: U.S. Census Bureau ACS, 2026.