How Johnson County Compares

Johnson County

31.5 years

Missouri Average

31.5 years

Rank #113 of 115 in state

National

38.9 years

19.0% 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: 31.5 years

Ranking Context

Rank	County	Value
#3,145	Pike County, AL	31.6 years
#3,146	Douglas County, KS	31.6 years
#3,147	Blue Earth County, MN	31.6 years
#3,148	Johnson County, MO	31.5 years
#3,149	McKenzie County, ND	31.5 years
#3,150	Watauga County, NC	31.4 years
#3,151	Ector County, TX	31.4 years

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Median Age in Johnson County, Missouri

Johnson County, Missouri has a median age of 31.5 years, which ranks #3,148 of 3,222 out of 3,222 counties nationwide. This is 19.0% below the national value of 38.9 years.

Within Missouri, Johnson County ranks #113 of 115 out of 115 counties. This places it in the 2th 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.