Delphia is a Republican stronghold. About 11% of voters here vote Democratic and 89% Republican.
About 44% of adults in Delphia typically vote, below the U.S. average of about 62%. Among adults in Delphia, ~5% vote Democratic, ~39% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.
How Delphia compares
Among cities within 25 miles, Delphia leans more Republican than 123 of 140 neighbors.
Delphia runs about 48 points more Republican than Kentucky as a whole.
Why Delphia 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 Delphia, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Delphia, more than 99% of residents are non-Hispanic white, about 28 points above the U.S. average of 72%; fewer than 1% of adults hold a bachelor's degree, about 18 points below the Kentucky average of 19%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Delphia, KY sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Delphia looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Delphia is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Low high-school completion lines up with lower turnout, and about 76% of adults in Delphia have completed high school, below 95% of cities. High-crime urban areas turn out at lower rates, and Delphia sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Slemp, KY R+79
- Gordon, KY R+70
- Daisy, KY R+79
- Dione, KY R+72
- Cornettsville, KY R+72
- Ulvah, KY R+79
- Hallie, KY R+67
- Linefork, KY R+70
- Cumberland, KY R+68
Cities with Similar Populations
- Ingleside, NE R+56
- New Centerville, PA R+70
- Vicksburg, AZ R+54
- Federal Dam, MN R+29
- Volney, VA R+54
- Wahak Hotrontk, AZ D+84
- Big Island, LA R+87
- Hancock, MO R+69
- Wanderoos, WI R+31
- Spring Hill, IL R+41
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Sources and methodology
Precinct-level voting records used to fit the model come from Kentucky State Board of 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.