Median Age in Fairfield County, OH
ACS 2024 5-Year Estimates
39.5 years
Rank #2,270/3,222 · #73 in OH
30th
Fairfield 39.5 years
OH 39.7 years -0.5%
US 38.9 years +1.5%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Fairfield County's median age of 39.5 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 Fairfield County for median age.
Nearby Rankings
Full ranking →| #2,267 | Bernalillo County, NM | 39.5 years |
| #2,268 | Lee County, NC | 39.5 years |
| #2,269 | Dickey County, ND | 39.5 years |
| #2,270 | Fairfield County, OH | 39.5 years |
| #2,271 | Hancock County, OH | 39.5 years |
| #2,272 | Okmulgee County, OK | 39.5 years |
| #2,273 | Hughes County, SD | 39.5 years |
About Median Age
Fairfield County, Ohio has a median age of 39.5 years, ranking #2,270 of 3,222 counties nationwide — 1.5% above the national value of 38.9 years. Within Ohio, it ranks #73 of 88. This places it in the 30th 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.