How Johnson County Compares

Johnson County

38.6 years

Kansas Average

38.6 years

Rank #80 of 105 in state

National

38.9 years

0.8% below

National Distribution

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

21.4 years 86.2 years

■ Johnson County: 38.6 years

Ranking Context

Rank	County	Value
#2,453	Winnebago County, WI	38.7 years
#2,454	Broomfield County, CO	38.6 years
#2,455	Haralson County, GA	38.6 years
#2,456	Johnson County, KS	38.6 years
#2,457	Rice County, KS	38.6 years
#2,458	Daviess County, KY	38.6 years
#2,459	Dakota County, MN	38.6 years

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Median Age in Johnson County, Kansas

Johnson County, Kansas has a median age of 38.6 years, which ranks #2,456 of 3,222 out of 3,222 counties nationwide. This is 0.8% below the national value of 38.9 years.

Within Kansas, Johnson County ranks #80 of 105 out of 105 counties. This places it in the 24th 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.