Garfield County is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 65% of adults in Garfield County typically vote, near the U.S. average of about 62%. Among adults in Garfield County, ~14% vote Democratic, ~51% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Garfield County compares
Among counties within 50 miles, Garfield County is the most Republican-leaning.
Garfield County runs about 77 points more Republican than Washington as a whole. Washington leans Democratic overall, while Garfield County is one of the few Republican-leaning pockets.
Politics vary noticeably by city within Garfield County. The southeast side is the most Republican-leaning (R+65) and the west side is the least Republican-leaning (R+55), a spread of about 11 points.
Why Garfield County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Garfield County, not a ranked or complete list of what matters most.
Garfield County votes against the grain of Washington. Washington leans Democratic overall, while Garfield County runs about 77 points more Republican.
Population density and Republican lean
Places with low population density tend to lean Republican; Garfield County, WA sits in the bottom quarter nationally on this measure.
Why turnout in Garfield County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Garfield County is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 64%, above 71% of counties. High high-school completion lines up with higher turnout, and about 94% of adults in Garfield County have completed high school, above 87% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Columbia County, WA R+51
- Asotin County, WA R+29
- Whitman County, WA D+16
- Nez Perce County, ID R+35
- Latah County, ID R+4
- Walla Walla County, WA R+7
- Lewis County, ID R+60
- Clearwater County, ID R+64
- Benewah County, ID R+60
- Wallowa County, OR R+20
Counties with Similar Populations
- Renville County, ND R+65
- Cimarron County, OK R+68
- Miner County, SD R+52
- Grant County, ND R+71
- Griggs County, ND R+52
- Dolores County, CO R+45
- Sanborn County, SD R+59
- Quitman County, GA R+17
- Highland County, VA R+46
- Eddy County, ND R+46
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Sources and methodology
Precinct-level voting records used to fit the model come from Washington Secretary of State, Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.