# Counties in Oregon by population aged 18 to 64, 2025

All 36 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population_18_64_share`
- Unit: %
- Definition: Residents aged 18 to 64 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.
- Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (https://www.census.gov/programs-surveys/popest/data/data-sets.html)
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/population-18-64/oregon-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Multnomah County | 67 |
| 2 | Benton County | 65.4 |
| 3 | Washington County | 63.2 |
| 4 | Lane County | 59.9 |
| 5 | Hood River County | 59.4 |
| 6 | Yamhill County | 59.2 |
| 7 | Marion County | 59.2 |
| 8 | Umatilla County | 58.7 |
| 9 | Deschutes County | 58.7 |
| 10 | Polk County | 58.2 |
| 11 | Clackamas County | 58 |
| 12 | Columbia County | 57.5 |
| 13 | Linn County | 57.4 |
| 14 | Malheur County | 56.7 |
| 15 | Jefferson County | 56.6 |
| 16 | Morrow County | 56.4 |
| 17 | Clatsop County | 55.8 |
| 18 | Union County | 55.2 |
| 19 | Wasco County | 55.1 |
| 20 | Klamath County | 54.9 |
| 21 | Jackson County | 54.8 |
| 22 | Lake County | 54.1 |
| 23 | Crook County | 53.1 |
| 24 | Sherman County | 53 |
| 25 | Coos County | 52.9 |
| 26 | Tillamook County | 52.7 |
| 27 | Douglas County | 52.6 |
| 28 | Gilliam County | 52.1 |
| 29 | Josephine County | 51.9 |
| 30 | Baker County | 51.7 |
| 31 | Harney County | 51.2 |
| 32 | Lincoln County | 50.9 |
| 33 | Grant County | 49.1 |
| 34 | Wheeler County | 48.4 |
| 35 | Wallowa County | 48 |
| 36 | Curry County | 46 |