Grassmere leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 68% of adults in Grassmere typically vote, above the U.S. average of about 62%. Among adults in Grassmere, ~25% vote Democratic, ~43% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Grassmere compares
Among cities within 25 miles, Grassmere leans more Republican than 23 of 28 neighbors.
Grassmere runs about 45 points more Republican than Washington as a whole. Washington leans Democratic overall, while Grassmere is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Grassmere. The southwest side is the most split-leaning (R+29) and the north side is the least split-leaning (Even), a spread of about 29 points.
Why Grassmere 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 Grassmere, not a ranked or complete list of what matters most.
Grassmere votes against the grain of Washington. Washington leans Democratic overall, while Grassmere runs about 45 points more Republican. Low college attainment predicts Republican voting, and Grassmere sits in the bottom quarter (about 13%, below 83% of cities). A high family-household share predicts Republican voting, and about 76% of households in Grassmere are family households, above 79% of cities.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Grassmere, WA sits in the top tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Grassmere looks the way it does
Turnout in Grassmere 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
- Concrete, WA R+23
- Van Horn, WA R+25
- Hamilton, WA R+33
- Lyman, WA R+30
- Rockport, WA R+17
- Prairie, WA R+22
- Sedro-Woolley, WA R+13
- Marblemount, WA R+18
- Acme, WA Even
- Swede Heaven, WA R+26
Cities with Similar Populations
- Pearson, WI R+37
- Rutledge Falls, TN R+65
- Rosedale, IL R+38
- Grenola, KS R+69
- Hallsport, NY R+49
- Willard, WA Even
- Charlton City, MA D+10
- Arthur, WV R+82
- Sunnyland, OH R+39
- Cedar Ledge, PA R+64
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.