Skamania County leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 74% of adults in Skamania County typically vote, above the U.S. average of about 62%. Among adults in Skamania County, ~32% vote Democratic, ~42% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Skamania County compares
Among counties within 50 miles, Skamania County leans more Republican than 6 of 8 neighbors.
Skamania County runs about 31 points more Republican than Washington as a whole. Washington leans Democratic overall, while Skamania County is one of the few Republican-leaning pockets.
Politics vary noticeably by city within Skamania County. The southwest side is the most split-leaning (R+18) and the south side is the least split-leaning (R+3), a spread of about 16 points.
Why Skamania 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 Skamania County, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 10% of residents in Skamania County live in densely developed areas, about 31 points below the Washington average of 41%. Skamania County runs against the grain of Washington, a Republican-leaning pocket in a Democratic-leaning state.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Skamania County, WA sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Skamania County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Skamania 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 75% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Hood River County, OR D+24
- Clark County, WA D+7
- Multnomah County, OR D+52
- Wasco County, OR R+14
- Clackamas County, OR D+13
- Klickitat County, WA R+11
- Washington County, OR D+32
- Columbia County, OR R+18
- Cowlitz County, WA R+18
- Sherman County, OR R+59
Counties with Similar Populations
- Washington County, KY R+58
- Little River County, AR R+45
- Lawrence County, MS R+30
- Boundary County, ID R+64
- Chickasaw County, IA R+40
- Koochiching County, MN R+26
- Prowers County, CO R+38
- Fulton County, AR R+64
- Macon County, GA D+22
- Jefferson County, MT R+38
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.