Oregon Population By County in 2012
Updated on June 16, 2025.
Based on the US Census Vintage data estimates, in 2012, the population of Oregon was 3,900,102. Among all Oregon counties, Multnomah had the highest population (760,505), followed by Washington (548,651), and Clackamas (383,159). Wheeler was the least populated county (1,411).
Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.
You can see similar information for other states and by state for the United States.
Related Topics: Oregon Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Oregon Population By County in 2012
Oregon Population By County in 2012
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| County | Population | % of State Population |
|---|---|---|
| Baker | 16001 | 0.41 |
| Benton | 86708 | 2.22 |
| Clackamas | 383159 | 9.82 |
| Clatsop | 37435 | 0.96 |
| Columbia | 49220 | 1.26 |
| Coos | 62697 | 1.61 |
| Crook | 20610 | 0.53 |
| Curry | 22272 | 0.57 |
| Deschutes | 161408 | 4.14 |
| Douglas | 106955 | 2.74 |
| Gilliam | 1949 | 0.05 |
| Grant | 7325 | 0.19 |
| Harney | 7256 | 0.19 |
| Hood River | 22545 | 0.58 |
| Jackson | 205939 | 5.28 |
| Jefferson | 21835 | 0.56 |
| Josephine | 82789 | 2.12 |
| Klamath | 65936 | 1.69 |
| Lake | 7789 | 0.20 |
| Lane | 355217 | 9.11 |
| Lincoln | 46180 | 1.18 |
| Linn | 118293 | 3.03 |
| Malheur | 30755 | 0.79 |
| Marion | 319865 | 8.20 |
| Morrow | 11226 | 0.29 |
| Multnomah | 760505 | 19.50 |
| Polk | 76227 | 1.95 |
| Sherman | 1748 | 0.05 |
| Tillamook | 25276 | 0.65 |
| Umatilla | 77011 | 1.98 |
| Union | 25801 | 0.66 |
| Wallowa | 6800 | 0.17 |
| Wasco | 25375 | 0.65 |
| Washington | 548651 | 14.07 |
| Wheeler | 1411 | 0.04 |
| Yamhill | 99933 | 2.56 |