Federal Way, WA Political Map | Democrat & Republican Areas in Federal Way

By the BestNeighborhood data science team. Last updated May 2026.

Federal Way leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.

 

About 61% of adults in Federal Way typically vote, near the U.S. average of about 62%. Among adults in Federal Way, ~40% vote Democratic, ~21% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.

How Federal Way compares

Among cities within 25 miles, Federal Way leans more Democratic than 77 of 101 neighbors.

Federal Way runs about 13 points more Democratic than Washington as a whole.

Why Federal Way 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 Federal Way, not a ranked or complete list of what matters most.

Dense areas vote Democratic. About 92% of residents in Federal Way live in densely developed areas, about 56 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 38% of adults in Federal Way have never been married, above 91% of cities.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Federal Way, WA sits in the top tenth nationally on this measure.

Why turnout in Federal Way looks the way it does

Renters vote less often than owners. About 42% of households in Federal Way rent, about 17 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.

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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.