Voter file loaded June 5, 2026 · figures are from that file, held as a fixed record
Franklin County, Washington has 49,263 active registered voters across 119 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 Franklin County voted for president
Election results are public records.
Franklin County at a glance.
Franklin County had an estimated 101,238 residents in July 2024, the 14th most populous of Washington's 39 counties, up 4.6% since the 2020 census. Of those, 71,158 are 18 or older, the voting-age population, and 10.8% are 65 or older. Its 49,263 active registered voters equal about 69.2% of that voting-age population.
It covers 1,242 square miles of land (82 people per square mile), and 13.7% of residents live outside any incorporated city or town. The largest cities and towns are Pasco (81,724), Connell (5,071), Mesa (388) and Kahlotus (141). The American Community Survey (2020-2024) puts it at a median age of 30.9, a median household income of $86,714, 21.1% of adults 25 and older holding a bachelor's degree or higher and 71.0% of occupied homes owned by the people living in them.
In 2024, 31,739 votes were cast for president, about 44.6% of the voting-age population; the Democratic ticket took 37.4% and the Republican ticket 60.1%. The two-party margin moved from R+23.7 in 2008 to R+22.7 in 2024.
- Population (2024 estimate)
- 101,238
- Population (2020 census base)
- 96,747
- Voting-age population (18+)
- 71,158
- Active voters per 100 adults
- 69.2
- Residents 65 and older
- 10.8%
- People per square mile
- 82
- Living outside incorporated places
- 13.7%
- Land area
- 1,242 sq mi
- Median age
- 30.9
- Median household income
- $86,714
- Adults 25+ with a bachelor's degree
- 21.1%
- Owner-occupied homes
- 71.0%
Largest cities and towns
- Pasco 81,724
- Connell 5,071
- Mesa 388
- Kahlotus 141
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 37.4% | 60.1% | R+22.7 | 31,739 |
| 2020 | 41.2% | 55.7% | R+14.5 | 32,404 |
| 2016 | 38.1% | 55.2% | R+17.1 | 20,584 |
| 2012 | 36.3% | 61.5% | R+25.2 | 18,940 |
| 2008 | 37.4% | 61.1% | R+23.7 | 19,696 |
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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