How Williamson County Compares

Williamson County

40.4 years

Tennessee Average

40.4 years

Rank #63 of 95 in state

National

38.9 years

3.9% above

National Distribution

Where Williamson County falls among all 3,222 U.S. counties for median age.

21.4 years 86.2 years

■ Williamson County: 40.4 years

Ranking Context

Rank	County	Value
#2,006	Kershaw County, SC	40.4 years
#2,007	Codington County, SD	40.4 years
#2,008	Henderson County, TN	40.4 years
#2,009	Williamson County, TN	40.4 years
#2,010	Collingsworth County, TX	40.4 years
#2,011	Danville city, VA	40.4 years
#2,012	Chelan County, WA	40.4 years

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Median Age in Williamson County, Tennessee

Williamson County, Tennessee has a median age of 40.4 years, which ranks #2,009 of 3,222 out of 3,222 counties nationwide. This is 3.9% above the national value of 38.9 years.

Within Tennessee, Williamson County ranks #63 of 95 out of 95 counties. This places it in the 38th percentile nationally.

The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.