Median Age in Jefferson County, OR
ACS 2024 5-Year Estimates
41.5 years
Rank #1,661/3,222 · #21 in OR
48th
Jefferson 41.5 years
OR 40.4 years +2.7%
US 38.9 years +6.7%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Jefferson County's median age of 41.5 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 Jefferson County for median age.
Nearby Rankings
Full ranking →| #1,658 | Fulton County, OH | 41.5 years |
| #1,659 | Madison County, OH | 41.5 years |
| #1,660 | Lincoln County, OK | 41.5 years |
| #1,661 | Jefferson County, OR | 41.5 years |
| #1,662 | Brule County, SD | 41.5 years |
| #1,663 | Union County, SD | 41.5 years |
| #1,664 | Anderson County, TN | 41.5 years |
About Median Age
Jefferson County, Oregon has a median age of 41.5 years, ranking #1,661 of 3,222 counties nationwide — 6.7% above the national value of 38.9 years. Within Oregon, it ranks #21 of 36. This places it in the 48th 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.