Voter file loaded June 9, 2026 · figures are from that file, held as a fixed record
Spokane County, Washington has 376,277 active registered voters across 453 precincts, as of November 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 Spokane County voted for president
Election results are public records.
Spokane County at a glance.
Spokane County had an estimated 555,947 residents in July 2024, the fourth most populous of Washington's 39 counties, up 3.1% since the 2020 census. Of those, 438,881 are 18 or older, the voting-age population, and 18.2% are 65 or older. Its 376,277 active registered voters equal about 85.7% of that voting-age population.
It covers 1,764 square miles of land (315 people per square mile), and 29.7% of residents live outside any incorporated city or town. The largest cities and towns are Spokane (230,609), Spokane Valley (108,267), Liberty Lake (13,353), Cheney (12,700) and Airway Heights (11,950). The American Community Survey (2020-2024) puts it at a median age of 38.5, a median household income of $78,582, 33.1% of adults 25 and older holding a bachelor's degree or higher and 64.5% of occupied homes owned by the people living in them.
In 2024, 284,958 votes were cast for president, about 64.9% of the voting-age population; the Democratic ticket took 46.0% and the Republican ticket 51.0%. The two-party margin moved from R+1.1 in 2008 to R+5.0 in 2024.
- Population (2024 estimate)
- 555,947
- Population (2020 census base)
- 539,346
- Voting-age population (18+)
- 438,881
- Active voters per 100 adults
- 85.7
- Residents 65 and older
- 18.2%
- People per square mile
- 315
- Living outside incorporated places
- 29.7%
- Land area
- 1,764 sq mi
- Median age
- 38.5
- Median household income
- $78,582
- Adults 25+ with a bachelor's degree
- 33.1%
- Owner-occupied homes
- 64.5%
Largest cities and towns
- Spokane 230,609
- Spokane Valley 108,267
- Liberty Lake 13,353
- Cheney 12,700
- Airway Heights 11,950
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 46.0% | 51.0% | R+5.0 | 284,958 |
| 2020 | 46.0% | 50.3% | R+4.3 | 295,430 |
| 2016 | 41.6% | 49.9% | R+8.3 | 208,081 |
| 2012 | 45.5% | 51.9% | R+6.4 | 202,088 |
| 2008 | 48.2% | 49.3% | R+1.1 | 219,511 |
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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