Miami is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 52% of adults in Miami typically vote, below the U.S. average of about 62%. Among adults in Miami, ~11% vote Democratic, ~41% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How Miami compares
Among cities within 25 miles, Miami leans more Republican than 41 of 89 neighbors.
Miami runs about 39 points more Republican than Indiana as a whole.
Why Miami 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 Miami, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in Miami drive to work alone, about 14 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 75% of households in Miami are family households, above 76% of cities.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Miami, IN sits below 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 Miami looks the way it does
Turnout in Miami sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bunker Hill, IN R+33
- Cassville, IN R+54
- Loree, IN R+59
- Wawpecong, IN R+60
- Lincoln, IN R+60
- Galveston, IN R+56
- Nead, IN R+53
- Onward, IN R+56
- Santa Fe, IN R+66
- North Grove, IN R+65
Cities with Similar Populations
- Burr Oak, IN R+53
- Willow Grove, NY R+40
- Broad Top, PA R+67
- Willow Springs, CA R+41
- Winona, KS R+79
- Moon, KY R+72
- Lake Ka-ho, IL R+51
- La Salle, MT R+34
- Miles Crossroads, TN R+74
- Knox Corner, ME R+20
All Local Stats
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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.