How Johnston County Compares

Johnston County

39.3 years

Oklahoma Average

39.3 years

Rank #42 of 77 in state

National

38.9 years

1.0% above

National Distribution

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

21.4 years 86.2 years

■ Johnston County: 39.3 years

Ranking Context

Rank	County	Value
#2,314	Los Alamos County, NM	39.3 years
#2,315	St. Lawrence County, NY	39.3 years
#2,316	Coal County, OK	39.3 years
#2,317	Johnston County, OK	39.3 years
#2,318	Lawrence County, TN	39.3 years
#2,319	Gonzales County, TX	39.3 years
#2,320	Hutchinson County, TX	39.3 years

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Median Age in Johnston County, Oklahoma

Johnston County, Oklahoma has a median age of 39.3 years, which ranks #2,317 of 3,222 out of 3,222 counties nationwide. This is 1.0% above the national value of 38.9 years.

Within Oklahoma, Johnston County ranks #42 of 77 out of 77 counties. This places it in the 28th 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.