Seabreeze leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 99% of adults in Seabreeze typically vote, above the U.S. average of about 62%. Among adults in Seabreeze, ~54% vote Democratic, ~45% Republican, and ~1% don't vote. The map below shows estimated turnout by block group.
How Seabreeze compares
Among cities within 25 miles, Seabreeze leans more Democratic than 49 of 53 neighbors.
Seabreeze runs about 4 points more Republican than Delaware as a whole.
Why Seabreeze 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 Seabreeze, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 68% of adults in Seabreeze hold a bachelor's degree, about 40 points above the U.S. average of 28%. Dense areas vote Democratic, and Seabreeze sits in the top fifth on density (about 50%, above 87% of cities).
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Seabreeze, DE sits in the top 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 Seabreeze looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Seabreeze 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 77%, about 17 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in Seabreeze have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Dewey Beach, DE D+16
- Rehoboth Beach, DE D+8
- Henlopen Acres, DE D+22
- North Shores, DE Even
- Lewes, DE D+7
- Long Neck, DE R+20
- Cool Spring, DE R+9
- Riverdale, DE R+16
- Harbeson, DE R+11
- Ocean View, DE R+7
Cities with Similar Populations
- Zone, OH R+62
- Five Corners, CA R+43
- Rosenburg, NE R+82
- Melville, MT R+64
- Seney, IA R+60
- Petersburg, ND R+42
- Kilmore, IN R+55
- Yellowpine, TX R+55
- Hinkleville, KY R+63
- Pickard, IN R+62
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Sources and methodology
Precinct-level voting records used to fit the model come from Delaware 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.