# Counties in Oregon by population, 2025

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

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/population/oregon-counties
- CSV: https://invokely.ai/download/rankings/population/oregon-counties.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | Multnomah County | 795,391 |
| 2 | Washington County | 611,708 |
| 3 | Clackamas County | 426,280 |
| 4 | Lane County | 381,584 |
| 5 | Marion County | 355,777 |
| 6 | Jackson County | 221,795 |
| 7 | Deschutes County | 213,072 |
| 8 | Linn County | 132,843 |
| 9 | Douglas County | 111,951 |
| 10 | Yamhill County | 110,024 |
| 11 | Benton County | 97,728 |
| 12 | Polk County | 90,037 |
| 13 | Josephine County | 87,867 |
| 14 | Umatilla County | 81,119 |
| 15 | Klamath County | 70,274 |
| 16 | Coos County | 63,992 |
| 17 | Columbia County | 54,091 |
| 18 | Lincoln County | 50,636 |
| 19 | Clatsop County | 40,926 |
| 20 | Malheur County | 32,261 |
| 21 | Crook County | 27,564 |
| 22 | Tillamook County | 27,384 |
| 23 | Wasco County | 26,310 |
| 24 | Union County | 25,900 |
| 25 | Jefferson County | 25,740 |
| 26 | Hood River County | 23,720 |
| 27 | Curry County | 22,621 |
| 28 | Baker County | 16,658 |
| 29 | Morrow County | 12,602 |
| 30 | Lake County | 8,187 |
| 31 | Wallowa County | 7,595 |
| 32 | Harney County | 7,380 |
| 33 | Grant County | 7,075 |
| 34 | Sherman County | 2,051 |
| 35 | Gilliam County | 1,971 |
| 36 | Wheeler County | 1,472 |