Median Age in Johnson County, KY
ACS 2024 5-Year Estimates
42.0 years
Rank #1,485/3,222 · #51 in KY
54th
Johnson 42.0 years
KY 39.1 years +7.4%
US 38.9 years +8.0%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Johnson County's median age of 42.0 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Johnson County for median age.
Nearby Rankings
Full ranking →| #1,482 | Ida County, IA | 42.0 years |
| #1,483 | Bracken County, KY | 42.0 years |
| #1,484 | Casey County, KY | 42.0 years |
| #1,485 | Johnson County, KY | 42.0 years |
| #1,486 | Metcalfe County, KY | 42.0 years |
| #1,487 | Russell County, KY | 42.0 years |
| #1,488 | Brown County, MN | 42.0 years |
About Median Age
Johnson County, Kentucky has a median age of 42.0 years, ranking #1,485 of 3,222 counties nationwide — 8.0% above the national value of 38.9 years. Within Kentucky, it ranks #51 of 120. This places it in the 54th percentile nationally.
The median age of the total population. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.