Fort Lewis, WA Political Map | Democrat & Republican Areas in Fort Lewis

Fort Lewis is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.

 
Fort Lewis, WA block-group political-lean map
Click the map to explore
D+100 D+50 Even R+50 R+100
More liberal More conservative

About 30% of adults in Fort Lewis typically vote, below the U.S. average of about 62%. Among adults in Fort Lewis, ~15% vote Democratic, ~15% Republican, and ~70% don't vote. The map below shows estimated turnout by block group.

Fort Lewis, WA block-group voter-turnout map
Click the map to explore
0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How Fort Lewis compares

Among cities within 25 miles, Fort Lewis sits roughly in the middle of the political spectrum, with 36 neighbors leaning further in the place's direction and 34 leaning the other way.

Fort Lewis runs about 18 points more Republican than Washington as a whole.

Politics vary noticeably by neighborhood within Fort Lewis. The southwest side runs the most Democratic (D+5) and the northeast side runs the most Republican (R+7), a spread of about 12 points.

Why Fort Lewis leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Fort Lewis. The lean here lands roughly where demographic data alone would predict.

Population density and Democratic lean

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

Why turnout in Fort Lewis looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Fort Lewis is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 97% of households in Fort Lewis rent, compared to around 44% in nearby cities. Low high-school completion lines up with lower turnout, and about 98% of adults in Fort Lewis have completed high school, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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.