How many counties in Oregon? All 36 listed
Quick answer
Oregon has 36 counties and county equivalents holding 4,238,714 residents. The most populous county in Oregon is Multnomah County with 803,863 residents; the smallest is Wheeler County. County boundaries divide the state's land area — measured in square miles by the Census Bureau — into the units used for property assessment, elections and local sales tax. The statewide sales tax base rate is 0% with no local add-ons.
All 36 counties
Ranked by population, Census 2019-2023 ACS 5-year estimates.
| County | Population | Median income | Median home value | Median rent |
|---|---|---|---|---|
| Multnomah County | 803,863 | $86,247 | $528,000 | $1,582 |
| Washington County | 600,266 | $104,434 | $558,500 | $1,773 |
| Clackamas County | 422,308 | $100,360 | $577,900 | $1,693 |
| Lane County | 382,628 | $69,311 | $395,800 | $1,287 |
| Marion County | 346,532 | $74,624 | $383,300 | $1,333 |
| Jackson County | 222,563 | $71,443 | $400,200 | $1,310 |
| Deschutes County | 203,026 | $87,640 | $596,000 | $1,674 |
| Linn County | 129,794 | $73,396 | $344,600 | $1,273 |
| Douglas County | 111,807 | $58,983 | $283,200 | $995 |
| Yamhill County | 108,122 | $87,084 | $442,700 | $1,377 |
| Benton County | 96,359 | $76,011 | $481,700 | $1,359 |
| Polk County | 88,553 | $81,318 | $419,500 | $1,270 |
| Josephine County | 88,069 | $59,097 | $383,100 | $1,157 |
| Umatilla County | 80,087 | $68,958 | $256,100 | $962 |
| Klamath County | 69,812 | $59,353 | $255,700 | $973 |
| Coos County | 64,832 | $60,313 | $302,800 | $992 |
| Columbia County | 53,178 | $86,359 | $390,600 | $1,221 |
| Lincoln County | 50,632 | $61,314 | $387,700 | $1,150 |
| Clatsop County | 41,343 | $68,705 | $437,800 | $1,130 |
| Malheur County | 31,701 | $49,902 | $221,300 | $819 |
| Tillamook County | 27,471 | $66,551 | $408,600 | $1,169 |
| Wasco County | 26,603 | $63,602 | $332,500 | $978 |
| Union County | 26,192 | $64,212 | $260,500 | $982 |
| Crook County | 25,651 | $81,675 | $423,300 | $1,224 |
| Jefferson County | 24,973 | $73,051 | $339,200 | $957 |
| Hood River County | 23,958 | $82,095 | $571,200 | $1,381 |
| Curry County | 23,463 | $64,769 | $366,700 | $1,156 |
| Baker County | 16,796 | $57,844 | $247,700 | $814 |
| Morrow County | 12,249 | $70,217 | $229,800 | $910 |
| Lake County | 8,254 | $61,222 | $219,400 | $861 |
| Wallowa County | 7,532 | $65,559 | $371,900 | $858 |
| Harney County | 7,515 | $48,338 | $190,600 | $675 |
| Grant County | 7,238 | $59,800 | $225,100 | $840 |
| Gilliam County | 2,002 | $64,219 | $158,400 | $1,084 |
| Sherman County | 1,908 | $59,500 | $206,700 | $945 |
| Wheeler County | 1,434 | $51,250 | $259,000 | $782 |
Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year
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