Cumberland leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 72% of adults in Cumberland typically vote, above the U.S. average of about 62%. Among adults in Cumberland, ~34% vote Democratic, ~38% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Cumberland compares
Among cities within 25 miles, Cumberland leans more Republican than 11 of 88 neighbors.
Cumberland runs about 13 points more Democratic than Indiana as a whole.
Politics vary noticeably by neighborhood within Cumberland. The southwest side runs the most Democratic (D+25) and the southeast side runs the most Republican (R+39), a spread of about 64 points.
Why Cumberland 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 Cumberland, not a ranked or complete list of what matters most.
Cumberland votes Republican even though it is densely developed (about 76%, far above the Indiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Cumberland, IN sits above the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Cumberland looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Cumberland 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 65%, about 5 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Gem, IN R+37
- Mount Comfort, IN R+29
- New Palestine, IN R+41
- Spring Lake, IN R+41
- Warren Park, IN D+36
- Lawrence, IN D+30
- Philadelphia, IN R+44
- Mohawk, IN R+46
- Pleasant View, IN R+52
- McCordsville, IN R+11
Cities with Similar Populations
- Alexander, NC R+26
- East Sandwich, MA D+8
- Bush, LA R+70
- Perryville, MD R+22
- Concordia, KS R+47
- Rainier, OR R+25
- Spring Valley, IL R+9
- Midfield, AL D+85
- Vinton, IA R+24
- Kalifornsky, AK R+29
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Sources and methodology
Precinct-level voting records used to fit the model come from Indiana Secretary 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.