Franklin leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 94% of adults in Franklin typically vote, above the U.S. average of about 62%. Among adults in Franklin, ~25% vote Democratic, ~69% Republican, and ~6% 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 21 of 62 neighbors.
Franklin runs about 32 points more Republican than Iowa as a whole.
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.
Areas with many family households vote Republican. About 76% of households in Franklin are family households, about 10 points above the U.S. average of 67%.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Franklin, IA does.
Why turnout in Franklin looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Franklin 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 68%, about 8 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in Franklin own their home, about 16 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and more than 99% of adults in Franklin have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Donnellson, IA R+41
- West Point, IA R+41
- Primrose, IA R+47
- Mount Hamill, IA R+46
- St. Paul, IA R+46
- Houghton, IA R+47
- Argyle, IA R+48
- Sawyer, IA R+34
- Farmington, IA R+53
- Fort Madison, IA R+22
Cities with Similar Populations
- Dallardsville, TX R+58
- Gresham, PA R+56
- Oriole, MO R+64
- Bethel, OK R+84
- Windrock, TN R+68
- Bejou, MN R+26
- Seltzer, PA R+32
- Troxel, IL R+32
- Taylorville, WV R+75
- Taylors Valley, VA R+60
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Sources and methodology
Precinct-level voting records used to fit the model come from Iowa 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.