Andover, MN Political Map | Democrat & Republican Areas in Andover

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

Andover leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.

 

About more than 99% of adults in Andover typically vote, above the U.S. average of about 62%. Among adults in Andover, ~43% vote Democratic, ~56% Republican, and ~1% don't vote. The map below shows estimated turnout by block group.

How Andover compares

Among cities within 25 miles, Andover leans more Republican than 65 of 99 neighbors.

Andover runs about 18 points more Republican than Minnesota as a whole. Minnesota leans Democratic overall, while Andover is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Andover. The north side is the most Republican-leaning (R+25) and the south side is the least Republican-leaning (R+5), a spread of about 20 points.

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

Andover votes Republican even though it is densely developed (about 66%, far above the Minnesota average of 23%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 85% of households in Andover are family households, above 96% of cities. Andover runs against the grain of Minnesota, a Republican-leaning pocket in a Democratic-leaning state.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Andover, MN sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Andover looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Andover 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 71%, about 11 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in Andover own their home, about 19 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in Andover have completed high school, above 85% of cities. Learn more about the findings and methodology on the political spectrum map.

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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.