Exton leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 90% of adults in Exton typically vote, above the U.S. average of about 62%. Among adults in Exton, ~55% vote Democratic, ~35% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.
How Exton compares
Among cities within 25 miles, Exton leans more Democratic than 145 of 206 neighbors.
Exton runs about 24 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Exton sits clearly on the Democratic side.
Why Exton 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 Exton, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 66% of adults in Exton hold a bachelor's degree, about 37 points above the U.S. average of 28%. Dense areas vote Democratic, and Exton sits in the top fifth on density (about 79%, above 94% of cities). Exton runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Exton, PA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Exton looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Exton 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 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Exton have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lionville, PA D+19
- Chester Springs, PA D+17
- Downingtown, PA D+14
- Immaculata, PA D+27
- West Chester, PA D+20
- Malvern, PA D+20
- Uwchland, PA D+25
- Devault, PA D+17
- Oaks, PA D+10
Cities with Similar Populations
- Red Hill, SC R+19
- Rutland, VT D+3
- Malvern, AR R+40
- Brook Park, OH R+9
- Foothill Ranch, CA D+7
- Mckinleyville, CA D+24
- London, OH R+34
- Floresville, TX R+37
- East Rancho Dominguez, CA D+43
- Chestnut Hill, MA D+60
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Sources and methodology
Precinct-level voting records used to fit the model come from Pennsylvania Department of State, Bureau 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.