Median Age in Benton County, OR
ACS 2024 5-Year Estimates
34.5 years
Rank #3,001/3,222 · #36 in OR
7th
Benton 34.5 years
OR 40.4 years -14.6%
US 38.9 years -11.3%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Benton County's median age of 34.5 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 Benton County for median age.
Nearby Rankings
Full ranking →| #2,998 | Craighead County, AR | 34.5 years |
| #2,999 | Daviess County, IN | 34.5 years |
| #3,000 | Hill County, MT | 34.5 years |
| #3,001 | Benton County, OR | 34.5 years |
| #3,002 | Castro County, TX | 34.5 years |
| #3,003 | Uvalde County, TX | 34.5 years |
| #3,004 | Ward County, TX | 34.5 years |
About Median Age
Benton County, Oregon has a median age of 34.5 years, ranking #3,001 of 3,222 counties nationwide — 11.3% below the national value of 38.9 years. Within Oregon, it ranks #36 of 36. This places it in the 7th 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.