Oceana County leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 75% of adults in Oceana County typically vote, above the U.S. average of about 62%. Among adults in Oceana County, ~27% vote Democratic, ~48% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Oceana County compares
Among counties within 50 miles, Oceana County leans more Republican than 4 of 6 neighbors.
Oceana County runs about 27 points more Republican than Michigan as a whole.
Politics vary noticeably by city within Oceana County. The northeast side is the most Republican-leaning (R+47) and the northwest side is the least Republican-leaning (R+6), a spread of about 41 points.
Why Oceana County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Oceana County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 70% of households in Oceana County are family households, above 80% of counties.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Oceana County, MI sits in the bottom quarter 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 Oceana County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Oceana County 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 64%, above 76% of counties. Homeowners vote more often than renters, and about 84% of households in Oceana County own their home, above 95% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Mason County, MI R+20
- Muskegon County, MI Even
- Newaygo County, MI R+40
- Lake County, MI R+30
- Mecosta County, MI R+26
- Manistee County, MI R+18
- Ottawa County, MI R+16
- Osceola County, MI R+46
- Kent County, MI D+10
- Montcalm County, MI R+41
Counties with Similar Populations
- Geneva County, AL R+74
- Marlboro County, SC D+9
- Wasco County, OR R+14
- Carter County, KY R+61
- Boone County, IA R+24
- Juneau County, WI R+31
- Cass County, NE R+42
- Carroll County, OH R+55
- King George County, VA R+23
- Gillespie County, TX R+56
Sources and methodology
Precinct-level voting records used to fit the model come from Michigan Department 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.