Glendale leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.
About 89% of adults in Glendale typically vote, above the U.S. average of about 62%. Among adults in Glendale, ~66% vote Democratic, ~23% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How Glendale compares
Among cities within 25 miles, Glendale leans more Democratic than 66 of 67 neighbors.
Glendale runs about 48 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and Glendale sits clearly on the Democratic side.
Politics vary noticeably by neighborhood within Glendale. The southwest side is the most Democratic-leaning (D+61) and the north side is the least Democratic-leaning (D+36), a spread of about 25 points.
Why Glendale 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 Glendale, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 95% of residents in Glendale live in densely developed areas, about 59 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Glendale sits in the top quarter (about 58%, above 96% of cities). Glendale runs against the grain of Wisconsin, a Democratic-leaning outlier in a roughly evenly split state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Glendale, WI sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Glendale looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Glendale 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Glendale have completed high school, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Whitefish Bay, WI D+43
- Fox Point, WI D+39
- River Hills, WI D+19
- Shorewood, WI D+63
- Bayside, WI D+35
- Brown Deer, WI D+45
- Milwaukee, WI D+18
- Mequon, WI D+4
- Wauwatosa, WI D+38
- Butler, WI R+3
Cities with Similar Populations
- East Rockaway, NY R+17
- Marengo, IL R+23
- Augusta, KS R+42
- Ellisville, MS R+51
- Green River, WY R+50
- Port Allen, LA Even
- Manchester, MD R+36
- Chipley, FL R+60
- Isanti, MN R+31
- Westphalia, MD D+79
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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.