Otter Lake leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 81% of adults in Otter Lake typically vote, above the U.S. average of about 62%. Among adults in Otter Lake, ~24% vote Democratic, ~56% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Otter Lake compares
Among cities within 25 miles, Otter Lake leans more Republican than 34 of 59 neighbors.
Otter Lake runs about 38 points more Republican than Michigan as a whole.
Politics vary noticeably by neighborhood within Otter Lake. The northwest side is the most Republican-leaning (R+43) and the west side is the least Republican-leaning (R+33), a spread of about 10 points.
Why Otter Lake 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 Otter Lake, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Otter Lake, about 95% 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%. A high family-household share predicts Republican voting, and about 75% of households in Otter Lake are family households, above 76% of cities.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Otter Lake, MI sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Otter Lake looks the way it does
Homeowners vote more often than renters. About 93% of households in Otter Lake own their home, about 11 points above the Michigan average of 83%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Fostoria, MI R+48
- Columbiaville, MI R+39
- Otisville, MI R+29
- Barnes Lake-Millers Lake, MI R+40
- Millington, MI R+41
- Mayville, MI R+42
- Richfield Center, MI R+28
- Five Lakes, MI R+45
- Silverwood, MI R+48
- North Branch, MI R+46
Cities with Similar Populations
- Mesick, MI R+45
- Union Point, GA D+14
- Bangs, TX R+66
- Thornton, CA R+26
- Nice, CA R+3
- Jonesboro, IN R+51
- Hanapepe, HI D+17
- Marquette Heights, IL R+31
- Galva, IL R+30
- Brodheadsville, PA R+26
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.