Oshkosh is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 75% of adults in Oshkosh typically vote, above the U.S. average of about 62%. Among adults in Oshkosh, ~39% vote Democratic, ~36% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Oshkosh compares
Among cities within 25 miles, Oshkosh is the most Democratic-leaning.
Oshkosh runs about 4 points more Democratic than Wisconsin as a whole.
Politics vary noticeably by neighborhood within Oshkosh. The east side runs the most Democratic (D+15) and the northwest side runs the most Republican (R+21), a spread of about 37 points.
Why Oshkosh leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Oshkosh. The lean here lands roughly where demographic data alone would predict.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Oshkosh, WI sits in the top tenth 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 Oshkosh looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Oshkosh 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 65%, about 5 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Reighmoor, WI R+29
- Butte Des Morts, WI R+25
- Island Beach, WI R+18
- Rivermoor, WI R+25
- Lasleys Point, WI R+25
- Omro, WI R+29
- Pickett, WI R+35
- Van Dyne, WI R+37
- Waukau, WI R+40
- Winneconne, WI R+30
Cities with Similar Populations
- Pleasanton, CA D+32
- St. Peters, MO R+9
- Perris, CA D+14
- Sumter, SC D+6
- Yukon, OK R+34
- San Marcos, TX D+20
- Warner Robins, GA D+10
- Buford, GA R+3
- Apopka, FL D+4
- Arlington Heights, IL D+19
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.