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Population per Square Mile in Oregon, by County

Population per Square Mile for every county in Oregon, ranked. The highest is Multnomah County at 1,859.5 and the lowest is Harney County at 0.7.

Oregon: 44.3 · United States: n/a · median county in Oregon: 24.9

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#County Population per Square Mile
1Multnomah County1,859.5
2Washington County833.9
3Marion County295.8
4Clackamas County226.6
5Yamhill County151.9
6Benton County142.6
7Polk County121.0
8Lane County84.4
9Columbia County81.2
10Jackson County80.0
11Deschutes County68.4
12Linn County57.1
13Josephine County53.8
14Lincoln County52.0
15Clatsop County49.9
16Hood River County45.8
17Coos County40.6
18Tillamook County24.9
19Umatilla County24.9
20Douglas County22.3
21Curry County14.4
22Jefferson County14.1
23Union County12.8
24Klamath County11.8
25Wasco County11.2
26Crook County8.8
27Morrow County6.1
28Baker County5.5
29Malheur County3.2
30Sherman County2.4
31Wallowa County2.4
32Gilliam County1.6
33Grant County1.6
34Lake County1.0
35Wheeler County0.9
36Harney County0.7

People divided by land area. Water is excluded, so lake and coastal counties are not unfairly diluted.

Source: ACS 2020-2024 5-Year Estimates, 2024.

Oregon ranks 41st of 52 states for population per square mile.

Population per Square Mile in other states

Other statistics for Oregon by county