Avon leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 78% of adults in Avon typically vote, above the U.S. average of about 62%. Among adults in Avon, ~34% vote Democratic, ~44% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Avon compares
Among cities within 25 miles, Avon leans more Republican than 16 of 84 neighbors.
Avon runs about 7 points more Democratic than Indiana as a whole.
Politics vary noticeably by neighborhood within Avon. The northeast side runs the most Democratic (Even) and the northwest side runs the most Republican (R+27), a spread of about 29 points.
Why Avon 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 Avon, not a ranked or complete list of what matters most.
Avon votes Republican even though it is densely developed (about 77%, far above the Indiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 76% of households in Avon are family households, above 80% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Avon, IN sits in the top tenth nationally on this measure.
Why turnout in Avon looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Avon 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 69%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Plainfield, IN R+19
- Clermont, IN D+6
- Cartersburg, IN R+46
- Tilden, IN R+49
- Brownsburg, IN R+14
- Danville, IN R+38
- Speedway, IN D+24
- Pittsboro, IN R+41
- Clayton, IN R+52
- Royalton, IN R+35
Cities with Similar Populations
- Gig Harbor, WA D+10
- Tolleson, AZ D+25
- Richmond, IN R+20
- Prosper, TX R+26
- Glenview, IL D+21
- Muskogee, OK R+20
- San Juan Capistrano, CA R+4
- Hamtramck, MI D+11
- Moses Lake, WA R+31
- Navarre, FL R+44
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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.