Williamson County, TN Demographics & Local Data

Analyze population trends, housing costs, and the local economy by exploring Map AI.

Area Snapshot

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

A
A+
A+

Population

Metric Williamson County Tennessee Avg U.S. Average
Population 257,482 7,021,394 334,821,731
Population density (per sq mi) 441.2 166.6 85.8
Population growth (%/yr) 3.09% 0.92% 0.57%
Median age 40.4 37.2 37.1
Households 90,714 2,766,521 128,459,983

Population Over Time

Year Williamson County

Race & Ethnicity

Group Share

Economy

Williamson County has a the economy index of A+, which means it is exceptionally prosperous.

Metric Williamson County Tennessee Avg U.S. Average
Median household income $131,296 $67,486 $78,145
Income growth (%/yr) 3.97% 5.42% 5.07%
Unemployment rate 2.0% 4.7% 5.2%

Detailed wealth and income breakdown →

Housing

Metric Williamson County Tennessee Avg U.S. Average
Median home price $692,507 $235,307 $242,182
Median rent $1,895 $1,121 $1,342
Homeownership rate 79.8% 67.0% 65.1%

Full housing market analysis →

Mobility & Commuting

The most common departure window is 07:00 AM – 07:29 AM , followed by 08:00 AM – 08:29 AM .

Metric Williamson County Tennessee Avg U.S. Average
Average commute time (min) 26.2 22.4 22.5
Work from home 25.8% 11.4% 13.4%

Commute and transport details →

Education & Households

Williamson County has a education index of A+, which means it is exceptionally educated.

Metric Williamson County Tennessee Avg U.S. Average
Bachelor's degree or higher 57.6% 27.5% 31.6%
Average household size 2.80 2.47 2.54

Health

Williamson County has a health index of A, which means it is very healthy.

Metric Williamson County Tennessee Avg U.S. Average
Life expectancy (years) 81.2 74.8 78.3
Self-rated poor health 9.9% 19.5% 16.3%
Smokers 13.4% 25.1% 19.0%