Median Age in Marion County, KY

ACS 2024 5-Year Estimates

Median Age
40.4 years +3.9% vs nat'l
Rank #1,987 of 3,222
38th percentile

How Marion County Compares

Marion County
40.4 years
Kentucky Average
40.4 years
Rank #83 of 120 in state
National
38.9 years
3.9% above

National Distribution

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

21.4 years 86.2 years

■ Marion County: 40.4 years

Ranking Context

Rank County Value
#1,984 Montgomery County, IN 40.4 years
#1,985 Graves County, KY 40.4 years
#1,986 Hart County, KY 40.4 years
#1,987 Marion County, KY 40.4 years
#1,988 Montgomery County, KY 40.4 years
#1,989 Caldwell Parish, LA 40.4 years
#1,990 Iberville Parish, LA 40.4 years
View full ranking →

Median Age in Marion County, Kentucky

Marion County, Kentucky has a median age of 40.4 years, which ranks #1,987 of 3,222 out of 3,222 counties nationwide. This is 3.9% above the national value of 38.9 years.

Within Kentucky, Marion County ranks #83 of 120 out of 120 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.