Northfield leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 84% of adults in Northfield typically vote, above the U.S. average of about 62%. Among adults in Northfield, ~52% vote Democratic, ~32% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Northfield compares
Among cities within 25 miles, Northfield is the most Democratic-leaning.
Northfield runs about 19 points more Democratic than Minnesota as a whole.
Politics vary noticeably by neighborhood within Northfield. The east side runs the most Democratic (D+52) and the northeast side runs the most Republican (R+17), a spread of about 69 points.
Why Northfield 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 Northfield, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 51% of adults in Northfield hold a bachelor's degree, about 23 points above the U.S. average of 28%. Dense areas vote Democratic, and Northfield sits in the top fifth on density (about 67%, above 91% of cities). A high never-married share predicts Democratic voting, and about 41% of adults in Northfield have never been married, above 94% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Northfield, MN sits in the top tenth nationally on this measure.
Why turnout in Northfield looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Northfield 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 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Northfield have completed high school, above 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Dundas, MN R+9
- Waterford, MN R+21
- Stanton, MN R+24
- Castle Rock, MN R+33
- Little Chicago, MN R+36
- Millersburg, MN R+29
- Nerstrand, MN R+32
- Dennison, MN R+32
- Randolph, MN R+38
- Elko New Market, MN R+28
Cities with Similar Populations
- Commerce Township, MI R+14
- Fort Walton Beach, FL R+27
- Webster Groves, MO D+38
- Conover, NC R+39
- Zachary, LA Even
- King George, VA R+23
- Antioch, IL R+8
- Trotwood, OH D+64
- Kaukauna, WI R+24
- Plainview, TX R+40
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Sources and methodology
Precinct-level voting records used to fit the model come from Minnesota 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.