Median Age in Jefferson County, NY
ACS 2024 5-Year Estimates
33.7 years
Rank #3,047/3,222 · #61 in NY
5th
Jefferson 33.7 years
NY 39.8 years -15.3%
US 38.9 years -13.4%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Jefferson County's median age of 33.7 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 Jefferson County for median age.
Nearby Rankings
Full ranking →| #3,044 | Clayton County, GA | 33.7 years |
| #3,045 | Clay County, MN | 33.7 years |
| #3,046 | Nodaway County, MO | 33.7 years |
| #3,047 | Jefferson County, NY | 33.7 years |
| #3,048 | Weber County, UT | 33.7 years |
| #3,049 | Grant County, WA | 33.7 years |
| #3,050 | Bonneville County, ID | 33.6 years |
About Median Age
Jefferson County, New York has a median age of 33.7 years, ranking #3,047 of 3,222 counties nationwide — 13.4% below the national value of 38.9 years. Within New York, it ranks #61 of 62. This places it in the 5th 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.