Port Sheldon leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 99% of adults in Port Sheldon typically vote, above the U.S. average of about 62%. Among adults in Port Sheldon, ~40% vote Democratic, ~59% Republican, and ~1% don't vote. The map below shows estimated turnout by block group.
How Port Sheldon compares
Among cities within 25 miles, Port Sheldon leans more Republican than 18 of 51 neighbors.
Port Sheldon runs about 18 points more Republican than Michigan as a whole.
Why Port Sheldon 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 Port Sheldon, not a ranked or complete list of what matters most.
Port Sheldon votes Republican even though it is densely developed (about 21%, modestly below the Michigan average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 75% of households in Port Sheldon are family households, above 77% of cities.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Port Sheldon, MI sits in the top tenth nationally on this measure.
Why turnout in Port Sheldon looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Port Sheldon 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 79%, about 19 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 99% of households in Port Sheldon own their home, about 24 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in Port Sheldon have completed high school, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- West Olive, MI R+26
- Borculo, MI R+39
- Holland, MI Even
- Macatawa, MI R+7
- Grand Haven, MI R+10
- Rusk, MI R+42
- Zeeland, MI R+27
- North Blendon, MI R+36
Cities with Similar Populations
- Zaneta, IA R+34
- Upton, NC R+58
- Ulupalakua, HI D+24
- Ellis, ID R+61
- Pond Gap, WV R+54
- Pocono Manor, PA R+17
- Greenville Center, NY R+27
- Broughton, IL R+67
- Summit, MN R+43
- Streeter, WV R+60
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.