Montesano leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 82% of adults in Montesano typically vote, above the U.S. average of about 62%. Among adults in Montesano, ~36% vote Democratic, ~46% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Montesano compares
Among cities within 25 miles, Montesano leans more Republican than 4 of 38 neighbors.
Montesano runs about 31 points more Republican than Washington as a whole. Washington leans Democratic overall, while Montesano is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Montesano. The northwest side is the most Republican-leaning (R+31) and the south side is the least Republican-leaning (R+10), a spread of about 20 points.
Why Montesano leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Montesano, not a ranked or complete list of what matters most.
Montesano votes Republican even though it is densely developed (about 39%, above 84% of cities). State and regional patterns outweigh the Democratic lean that density usually predicts here. Montesano runs against the grain of Washington, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Montesano, WA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Montesano looks the way it does
Turnout in Montesano sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- South Montesano, WA R+15
- Brady, WA R+26
- Central Park, WA R+18
- Satsop, WA R+35
- Cosmopolis, WA R+18
- South Elma, WA R+34
- Aberdeen Gardens, WA R+35
- Junction City, WA R+18
- Elma, WA R+24
Cities with Similar Populations
- Swansboro, NC R+45
- Unionville, NC R+55
- Oconto, WI R+36
- Belle Fourche, SD R+56
- Mohave Valley, AZ R+44
- Orange City, IA R+41
- Fort Knox, KY R+13
- Madison, SD R+33
- Oceano, CA D+9
- Pittsboro, IN R+41
All Local Stats
Home Services
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.