O'neil leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 82% of adults in O'neil typically vote, above the U.S. average of about 62%. Among adults in O'neil, ~22% vote Democratic, ~60% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How O'neil compares
Among cities within 25 miles, O'neil leans more Republican than 33 of 39 neighbors.
O'neil runs about 44 points more Republican than Michigan as a whole.
Why O'neil 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 O'neil, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In O'neil, about 96% of residents are non-Hispanic white, about 23 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 11 points below the Michigan average of 26%. Rural areas vote Republican, and O'neil sits in the bottom quarter on density (about 4%, below 88% of cities).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; O'neil, MI sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in O'neil looks the way it does
Areas with strong routine healthcare access turn out at higher rates. O'neil 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 63%, above 60% of cities. Homeowners vote more often than renters, and about 94% of households in O'neil own their home, about 18 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Spencer, MI R+48
- Lodi, MI R+42
- Kalkaska, MI R+39
- South Boardman, MI R+46
- Moorestown, MI R+52
- McIntyre Landing, MI R+29
- Stittsville, MI R+51
- Fife Lake, MI R+40
- Lake Margrethe, MI R+35
- Rapid City, MI R+34
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
- Oak Grove, WI R+43
- Henderson Harbor, NY R+24
- Necessity, TX R+80
- 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 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.