Copper Harbor leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 67% of adults in Copper Harbor typically vote, near the U.S. average of about 62%. Among adults in Copper Harbor, ~40% vote Democratic, ~27% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Copper Harbor compares
Among cities within 25 miles, Copper Harbor leans more Democratic than 3 of 4 neighbors.
Copper Harbor runs about 22 points more Democratic than Michigan as a whole. Michigan is roughly evenly split, and Copper Harbor sits clearly on the Democratic side.
Politics vary noticeably by neighborhood within Copper Harbor. The east side runs the most Democratic (D+21) and the southwest side runs the most Republican (R+7), a spread of about 28 points.
Why Copper Harbor 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 Copper Harbor, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 56% of adults in Copper Harbor hold a bachelor's degree, about 28 points above the U.S. average of 28%. Copper Harbor runs against the grain of Michigan, a Democratic-leaning outlier in a roughly evenly split state.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Copper Harbor, 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 Copper Harbor looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Copper Harbor 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in Copper Harbor own their home, about 18 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Copper Harbor have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Mohawk, MI R+5
- Ahmeek, MI R+10
- Allouez, MI R+9
- Copper City, MI R+25
- Traverse Bay, MI R+22
- Bumbletown, MI R+7
- Kearsarge, MI R+16
Cities with Similar Populations
- Silver City, SD R+42
- Graceham, MD R+33
- Date City, CA R+33
- Metz, CA R+3
- Marley Mill, AL R+84
- Delwood, IL R+62
- Mc Neill, MS R+70
- Deckertown, NY R+7
- Mount Pleasant, NJ R+44
- Naola, VA R+48
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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.