Green Bay leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 71% of adults in Green Bay typically vote, above the U.S. average of about 62%. Among adults in Green Bay, ~38% vote Democratic, ~33% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Green Bay compares
Among cities within 25 miles, Green Bay is the most Democratic-leaning.
Green Bay runs about 9 points more Democratic than Wisconsin as a whole.
Politics vary noticeably by neighborhood within Green Bay. The south side runs the most Democratic (D+16) and the northeast side runs the most Republican (Even), a spread of about 18 points.
Why Green Bay 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 Green Bay, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 85% of residents in Green Bay live in densely developed areas, about 49 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 39% of adults in Green Bay have never been married, above 93% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Green Bay, WI sits in the top quarter 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 Green Bay looks the way it does
Turnout in Green Bay sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Allouez, WI D+8
- Bellevue, WI R+9
- Ashwaubenon, WI Even
- Howard, WI R+12
- DePere, WI R+8
- Hobart, WI R+6
- Suamico, WI R+23
- New Franken, WI R+30
- Langes Corners, WI R+44
- Shirley, WI R+37
Cities with Similar Populations
- Yuma, AZ R+9
- Pompano Beach, FL D+18
- Acworth, GA R+10
- Lehigh Acres, FL R+6
- Hillsboro, OR D+30
- The Woodlands, TX R+24
- Broomfield, CO D+22
- Costa Mesa, CA D+8
- Norcross, GA D+31
- Sparks, NV Even
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.