Snohomish Cascade, Silver Firs, WA Political Map | Democrat & Republican Areas in Snohomish Cascade

Snohomish Cascade leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.

 
Snohomish Cascade, Silver Firs, WA block-group political-lean map
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About 89% of adults in Snohomish Cascade typically vote, above the U.S. average of about 62%. Among adults in Snohomish Cascade, ~48% vote Democratic, ~41% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.

Snohomish Cascade, Silver Firs, WA block-group voter-turnout map
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How Snohomish Cascade compares

Among neighborhoods within 5 miles, Snohomish Cascade is the least Democratic-leaning.

Snohomish Cascade runs about 11 points more Republican than Washington as a whole.

Politics vary noticeably by block within Snohomish Cascade. The west side runs the most Democratic (D+15) and the northeast side runs the most Republican (Even), a spread of about 16 points.

Why Snohomish Cascade leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Snohomish Cascade, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 56% of adults in Snohomish Cascade hold a bachelor's degree, about 27 points above the U.S. average of 28%.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Snohomish Cascade, Silver Firs, WA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Snohomish Cascade looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Snohomish Cascade 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 71%, about 11 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in Snohomish Cascade own their home, compared to around 65% in nearby neighborhoods. High high-school completion lines up with higher turnout, and about 99% of adults in Snohomish Cascade have completed high school, above 91% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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.