Sunday Lake leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 88% of adults in Sunday Lake typically vote, above the U.S. average of about 62%. Among adults in Sunday Lake, ~35% vote Democratic, ~53% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How Sunday Lake compares
Among cities within 25 miles, Sunday Lake leans more Republican than 44 of 58 neighbors.
Sunday Lake runs about 38 points more Republican than Washington as a whole. Washington leans Democratic overall, while Sunday Lake is one of the few Republican-leaning pockets.
Why Sunday Lake 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 Sunday Lake, not a ranked or complete list of what matters most.
Sunday Lake votes against the grain of Washington. Washington leans Democratic overall, while Sunday Lake runs about 38 points more Republican. Dense places usually vote Democratic, but Sunday Lake runs against that pattern. A high family-household share predicts Republican voting, and about 81% of households in Sunday Lake are family households, above 92% of cities.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Sunday Lake, WA sits in the top quarter nationally on this measure.
Why turnout in Sunday Lake looks the way it does
Homeowners vote more often than renters. About 90% of households in Sunday Lake own their home, about 17 points above the Washington average of 73%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Norman, WA R+20
- Stanwood, WA R+16
- East Stanwood, WA R+23
- Northwest Stanwood, WA R+12
- Warm Beach, WA R+22
- Bryant, WA R+24
- Lake McMurray, WA R+5
- Arlington, WA R+16
- McKees Beach, WA R+16
- Conway, WA R+5
Cities with Similar Populations
- Franklin, MO R+61
- Mora, GA R+68
- Sidell, IL R+61
- Floral College, NC R+29
- Diamond, AL R+71
- Matthews, GA R+43
- Earling, IA R+55
- Crosby, MS R+32
- Tivoli, TX R+34
- Fort Bridger, WY R+77
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.