Median Age in Johnston County, NC
ACS 2024 5-Year Estimates
38.1 years
Rank #2,568/3,222 · #86 in NC
20th
Johnston 38.1 years
NC 39.1 years -2.6%
US 38.9 years -2.1%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Johnston County's median age of 38.1 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 Johnston County for median age.
Nearby Rankings
Full ranking →| #2,565 | Polk County, MO | 38.1 years |
| #2,566 | Passaic County, NJ | 38.1 years |
| #2,567 | Jackson County, NC | 38.1 years |
| #2,568 | Johnston County, NC | 38.1 years |
| #2,569 | Washington County, OR | 38.1 years |
| #2,570 | Karnes County, TX | 38.1 years |
| #2,571 | Wharton County, TX | 38.1 years |
About Median Age
Johnston County, North Carolina has a median age of 38.1 years, ranking #2,568 of 3,222 counties nationwide — 2.1% below the national value of 38.9 years. Within North Carolina, it ranks #86 of 100. This places it in the 20th 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.