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

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

 
Northfield, WI block-group political-lean map
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About 70% of adults in Northfield typically vote, above the U.S. average of about 62%. Among adults in Northfield, ~22% vote Democratic, ~48% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.

Northfield, WI block-group voter-turnout map
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How Northfield compares

Among cities within 25 miles, Northfield leans more Republican than 28 of 33 neighbors.

Northfield runs about 38 points more Republican than Wisconsin as a whole.

Why Northfield leans the way it does

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

Homeownership and voter turnout

Places with homeowner-heavy households tend to turn out at a higher rate; Northfield, WI sits in the top quarter nationally on this measure.

Why turnout in Northfield looks the way it does

Homeowners vote more often than renters. About 92% of households in Northfield own their home, about 12 points above the Wisconsin average of 80%. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.