Voter file loaded June 9, 2026 · figures are from that file, held as a fixed record
Okanogan County, Washington has 27,085 active registered voters across 83 precincts, as of July 2026.
Party registration
Washington doesn't register voters by party, so there's no party breakdown to show. Party lean is usually inferred from primary participation; that data is in the voter file and available inside Motion51.
How Okanogan County voted for president
Election results are public records.
Okanogan County at a glance.
Okanogan County had an estimated 44,942 residents in July 2024, the 26th most populous of Washington's 39 counties, up 6.8% since the 2020 census. Of those, 35,465 are 18 or older, the voting-age population, and 23.8% are 65 or older. Its 27,085 active registered voters equal about 76.4% of that voting-age population.
It covers 5,266 square miles of land (8.5 people per square mile), and 61.8% of residents live outside any incorporated city or town. The largest cities and towns are Omak (5,167), Okanogan (2,489), Brewster (2,090), Oroville (1,911) and Tonasket (1,133). The American Community Survey (2020-2024) puts it at a median age of 43.2, a median household income of $63,207, 24.7% of adults 25 and older holding a bachelor's degree or higher and 72.4% of occupied homes owned by the people living in them.
In 2024, 20,617 votes were cast for president, about 58.1% of the voting-age population; the Democratic ticket took 41.1% and the Republican ticket 56.0%. The two-party margin moved from R+7.1 in 2008 to R+14.9 in 2024.
- Population (2024 estimate)
- 44,942
- Population (2020 census base)
- 42,097
- Voting-age population (18+)
- 35,465
- Active voters per 100 adults
- 76.4
- Residents 65 and older
- 23.8%
- People per square mile
- 8.5
- Living outside incorporated places
- 61.8%
- Land area
- 5,266 sq mi
- Median age
- 43.2
- Median household income
- $63,207
- Adults 25+ with a bachelor's degree
- 24.7%
- Owner-occupied homes
- 72.4%
Largest cities and towns
- Omak 5,167
- Okanogan 2,489
- Brewster 2,090
- Oroville 1,911
- Tonasket 1,133
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 41.1% | 56.0% | R+14.9 | 20,617 |
| 2020 | 41.8% | 55.6% | R+13.8 | 21,282 |
| 2016 | 36.5% | 57.9% | R+21.4 | 10,893 |
| 2012 | 41.1% | 56.0% | R+14.9 | 12,781 |
| 2008 | 45.1% | 52.2% | R+7.1 | 16,870 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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