Oak Grove leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 72% of adults in Oak Grove typically vote, above the U.S. average of about 62%. Among adults in Oak Grove, ~20% vote Democratic, ~52% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Oak Grove compares
Among cities within 25 miles, Oak Grove leans more Republican than 46 of 75 neighbors.
Oak Grove runs about 42 points more Republican than Wisconsin as a whole.
Politics vary noticeably by neighborhood within Oak Grove. The northeast side is the most Republican-leaning (R+49) and the northwest side is the least Republican-leaning (R+32), a spread of about 17 points.
Why Oak Grove 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 Oak Grove, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 85% of residents in Oak Grove drive to work alone, about 11 points above the U.S. average of 74%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Oak Grove, WI sits in the top quarter 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 Oak Grove looks the way it does
Turnout in Oak Grove 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
- Woodland, WI R+45
- Juneau, WI R+40
- North Lowell, WI R+44
- Minnesota Junction, WI R+45
- Lowell, WI R+45
- Leipsig, WI R+37
- Clyman, WI R+49
- Beaver Dam, WI R+13
- Horicon, WI R+33
- South Beaver Dam, WI R+36
Cities with Similar Populations
- Zemuly, MS R+3
- Five Points, OH R+55
- Stringtown, WA R+18
- Westford, NY R+30
- Rowena, SD R+47
- Necessity, TX R+80
- Henderson Harbor, NY R+24
- Toronto, IA R+48
- Tylor Mill, KY R+45
- Tackett Creek, TN R+73
All Local Stats
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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.