Groos leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 98% of adults in Groos typically vote, above the U.S. average of about 62%. Among adults in Groos, ~32% vote Democratic, ~66% Republican, and ~2% don't vote. The map below shows estimated turnout by block group.
How Groos compares
Among cities within 25 miles, Groos leans more Republican than 16 of 35 neighbors.
Groos runs about 33 points more Republican than Michigan as a whole.
Why Groos 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 Groos, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 87% of residents in Groos drive to work alone, about 13 points above the U.S. average of 74%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Groos, MI sits in the top quarter nationally on this measure.
Why turnout in Groos looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Groos 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in Groos own their home, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Gladstone, MI R+23
- Wells, MI R+23
- Riverland, MI R+37
- Escanaba, MI R+11
- Kipling, MI R+32
- Cornell, MI R+39
- Maywood, MI R+31
- Ford River, MI R+33
- Tesch, MI R+37
- Stonington, MI R+31
Cities with Similar Populations
- Royalton, IN R+35
- Pittsburg, IN R+57
- Detroit, KS R+63
- Markham, VA R+28
- Goffs Corner, KY R+62
- Mentow, VA R+53
- Bertram, IA R+21
- Peone, WA R+34
- Lanagan, MO R+69
- Emberson, TX R+78
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.