Wauwatosa, WI Political Map | Democrat & Republican Areas in Wauwatosa

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

Wauwatosa leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.

 

About 91% of adults in Wauwatosa typically vote, above the U.S. average of about 62%. Among adults in Wauwatosa, ~63% vote Democratic, ~28% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.

How Wauwatosa compares

Among cities within 25 miles, Wauwatosa leans more Democratic than 76 of 81 neighbors.

Wauwatosa runs about 38 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and Wauwatosa sits clearly on the Democratic side.

Politics vary noticeably by neighborhood within Wauwatosa. The northeast side is the most Democratic-leaning (D+52) and the southwest side is the least Democratic-leaning (D+24), a spread of about 28 points.

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

Dense areas vote Democratic. About 98% of residents in Wauwatosa live in densely developed areas, about 62 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Wauwatosa sits in the top quarter (about 64%, above 98% of cities). Wauwatosa runs against the grain of Wisconsin, a Democratic-leaning outlier in a roughly evenly split state.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Wauwatosa, WI sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Wauwatosa looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Wauwatosa 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 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Wauwatosa have completed high school, above 96% of cities. 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 Wisconsin Elections Commission, 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.