McCordsville leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 89% of adults in McCordsville typically vote, above the U.S. average of about 62%. Among adults in McCordsville, ~40% vote Democratic, ~49% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How McCordsville compares
Among cities within 25 miles, McCordsville leans more Republican than 17 of 80 neighbors.
McCordsville runs about 8 points more Democratic than Indiana as a whole.
Why McCordsville 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 McCordsville, not a ranked or complete list of what matters most.
McCordsville votes Republican even though it is densely developed (about 46%, well 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 80% of households in McCordsville are family households, above 90% of cities.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as McCordsville, IN does.
Why turnout in McCordsville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. McCordsville 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in McCordsville have completed high school, above 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Woodbury, IN R+49
- Lawrence, IN D+30
- Fortville, IN R+19
- Fishers, IN D+2
- Mohawk, IN R+46
- Mount Comfort, IN R+29
- Ingalls, IN R+42
- Gem, IN R+37
- Cumberland, IN R+6
- Philadelphia, IN R+44
Cities with Similar Populations
- Marianna, FL R+32
- Bulverde, TX R+50
- Whitman, MA R+4
- Sarasota Springs, FL R+15
- Welby, CO D+16
- Eggertsville, NY D+33
- Morgan City, LA R+36
- New Kensington, PA R+8
- Eunice, LA R+33
- Fort Drum, NY R+3
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.