London is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 79% of adults in London typically vote, above the U.S. average of about 62%. Among adults in London, ~18% vote Democratic, ~61% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How London compares
Among cities within 25 miles, London leans more Republican than 49 of 96 neighbors.
London runs about 34 points more Republican than Indiana as a whole.
Why London leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in London. The lean here lands roughly where demographic data alone would predict.
Housing overcrowding and voter turnout
Places with low overcrowding tend to turn out at a higher rate; London, IN sits in the bottom tenth nationally on this measure.
Why turnout in London looks the way it does
Turnout in London 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
- Fairland, IN R+53
- Needham, IN R+48
- Boggstown, IN R+58
- Pleasant View, IN R+52
- Green Meadows, IN R+54
- Clover Village, IN R+56
- Urmeyville, IN R+51
- Fountaintown, IN R+56
- Bengal, IN R+58
- New Palestine, IN R+41
Cities with Similar Populations
- South Trenton, NY R+31
- Bridgeland, UT R+84
- Houcktown, OH R+61
- Sekiu, WA R+2
- Pataha, WA R+63
- Custer City, PA R+40
- Nyac, AK D+21
- Rosati, MO R+61
- Bruneau, ID R+66
- Scranton, KY R+66
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.