Delaware leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 83% of adults in Delaware typically vote, above the U.S. average of about 62%. Among adults in Delaware, ~47% vote Democratic, ~36% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Delaware compares
Among cities within 25 miles, Delaware leans more Democratic than 44 of 51 neighbors.
Delaware runs about 8 points more Democratic than Virginia as a whole.
Politics vary noticeably by neighborhood within Delaware. The east side runs the most Democratic (D+30) and the northwest side runs the most Republican (R+42), a spread of about 72 points.
Why Delaware 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 Delaware, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 37% of adults in Delaware have never been married, modestly above similar-sized cities (around 27%).
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Delaware, VA sits above the national average 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 Delaware looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Delaware 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 65%, about 5 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Handsom, VA R+26
- Franklin, VA D+19
- Sunbeam, VA R+26
- Riverdale, VA R+10
- Camptown, VA R+9
- Hunterdale, VA R+38
- Courtland, VA R+22
- Newsoms, VA R+22
- Como, NC R+8
- Vicksville, VA R+41
Cities with Similar Populations
- Valeria, IA R+42
- Yuma, MI R+39
- Camp, AR R+65
- Lick Creek, IL R+53
- Leck, VA R+71
- Bay View Gardens, IL R+38
- Riverdale, IA R+6
- River Ranch, FL R+53
- Capelsie, NC R+27
- Castine, OH R+69
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Sources and methodology
Precinct-level voting records used to fit the model come from Virginia Department 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.