Franklin leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 69% of adults in Franklin typically vote, above the U.S. average of about 62%. Among adults in Franklin, ~21% vote Democratic, ~48% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Franklin compares
Among cities within 25 miles, Franklin leans more Republican than 19 of 91 neighbors.
Franklin runs about 21 points more Republican than Indiana as a whole.
Politics vary noticeably by neighborhood within Franklin. The northeast side is the most Republican-leaning (R+49) and the west side is the least Republican-leaning (R+30), a spread of about 19 points.
Why Franklin 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 Franklin, not a ranked or complete list of what matters most.
Franklin votes Republican even though it is densely developed (about 56%, far above the Indiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Franklin, IN sits in the top tenth nationally on this measure.
Why turnout in Franklin looks the way it does
Turnout in Franklin 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
- Hopewell, IN R+52
- Urmeyville, IN R+51
- Mount Pleasant, IN R+56
- Whiteland, IN R+42
- New Whiteland, IN R+45
- Needham, IN R+48
- Bengal, IN R+58
- Bargersville, IN R+38
- Bud, IN R+57
- Marietta, IN R+60
Cities with Similar Populations
- Newberg, OR D+6
- Stafford, TX D+29
- Summerlin South, NV Even
- Jacksonville Beach, FL R+19
- Cave Creek, AZ R+22
- Bethany, OR D+39
- Raytown, MO D+31
- Fitchburg, WI D+53
- Helotes, TX R+8
- Alliance, OH R+23
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.