Rose Valley leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 78% of adults in Rose Valley typically vote, above the U.S. average of about 62%. Among adults in Rose Valley, ~28% vote Democratic, ~50% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Rose Valley compares
Among cities within 25 miles, Rose Valley leans more Republican than 18 of 43 neighbors.
Rose Valley runs about 47 points more Republican than Washington as a whole. Washington leans Democratic overall, while Rose Valley is one of the few Republican-leaning pockets.
Why Rose Valley 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 Rose Valley, not a ranked or complete list of what matters most.
Rose Valley votes against the grain of Washington. Washington leans Democratic overall, while Rose Valley runs about 47 points more Republican. A high white share with below-average college attainment predicts Republican voting, and Rose Valley fits that profile on both counts. A high family-household share predicts Republican voting, and about 84% of households in Rose Valley are family households, above 96% of cities.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Rose Valley, WA sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Rose Valley looks the way it does
Homeowners vote more often than renters. About 91% of households in Rose Valley own their home, about 18 points above the Washington average of 73%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Carrolls, WA R+26
- Prescott, OR R+20
- Kalama, WA R+24
- Kelso, WA R+18
- Goble, OR R+29
- Rainier, OR R+25
- Ostrander, WA R+36
- Longview, WA R+9
- West Rainier, OR R+24
- Deer Island, OR R+30
Cities with Similar Populations
- Paguate, NM D+45
- Heron, MT R+59
- Clearview, OK R+58
- Elm Hall, MI R+49
- Pinehurst, GA R+34
- Elberon, VA R+14
- Hudsonville, MS R+18
- Park Ridge, WI D+8
- Reservoir, PA R+44
- Natalbany, LA R+47
All Local Stats
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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.