Spring Arbor leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 80% of adults in Spring Arbor typically vote, above the U.S. average of about 62%. Among adults in Spring Arbor, ~31% vote Democratic, ~49% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Spring Arbor compares
Among cities within 25 miles, Spring Arbor leans more Republican than 6 of 64 neighbors.
Spring Arbor runs about 22 points more Republican than Michigan as a whole.
Politics vary noticeably by neighborhood within Spring Arbor. The southwest side is the most Republican-leaning (R+35) and the north side is the least Republican-leaning (R+16), a spread of about 19 points.
Why Spring Arbor 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 Spring Arbor, not a ranked or complete list of what matters most.
Spring Arbor votes Republican even though it is densely developed (about 39%, modestly above the Michigan average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Spring Arbor, MI sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Spring Arbor looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Spring Arbor 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 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sandstone, MI R+26
- Parma, MI R+33
- Concord, MI R+35
- Horton, MI R+38
- Hanover, MI R+42
- Vandercook Lake, MI R+18
- Jackson, MI Even
- Pulaski, MI R+43
- Liberty, MI R+33
- Devereaux, MI R+36
Cities with Similar Populations
- Greenwood, DE R+43
- Wahoo, NE R+38
- Bono, AR R+59
- Oceanport, NJ R+22
- Beulaville, NC R+42
- Leadville, CO D+27
- Waban, MA D+57
- Bernville, PA R+42
- Warm Mineral Springs, FL R+26
- Wyandanch, NY D+50
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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.