Delphi leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 68% of adults in Delphi typically vote, above the U.S. average of about 62%. Among adults in Delphi, ~18% vote Democratic, ~50% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Delphi compares
Among cities within 25 miles, Delphi leans more Republican than 16 of 70 neighbors.
Delphi runs about 28 points more Republican than Indiana as a whole.
Politics vary noticeably by neighborhood within Delphi. The northeast side is the most Republican-leaning (R+60) and the south side is the least Republican-leaning (R+43), a spread of about 17 points.
Why Delphi 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 Delphi, not a ranked or complete list of what matters most.
Delphi votes Republican even though it is densely developed (about 32%, modestly above the Indiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Delphi, IN sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Delphi looks the way it does
Turnout in Delphi 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
- Pittsburg, IN R+57
- Sleeth, IN R+59
- Burrows, IN R+58
- Colburn, IN R+48
- Radnor, IN R+59
- Sandy Beach, IN R+51
- Yeoman, IN R+59
- Ockley, IN R+59
- Pyrmont, IN R+59
Cities with Similar Populations
- Hobart, WA D+4
- Stormville, NY R+9
- Ellabell, GA R+63
- Desert Palms, CA D+6
- West View, PA D+10
- Bailey, NC R+34
- Yarmouth Port, MA D+20
- Ripley, WV R+56
- Granby, MA Even
- Larose, LA R+73
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.