19711 leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 71% of adults in 19711 typically vote, above the U.S. average of about 62%. Among adults in 19711, ~45% vote Democratic, ~26% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 19711 compares
Among zip codes within 15 miles, 19711 leans more Democratic than 26 of 36 neighbors.
19711 runs about 13 points more Democratic than Delaware as a whole.
Politics vary noticeably by block within 19711. The south side is the most Democratic-leaning (D+57) and the northwest side is the least Democratic-leaning (D+2), a spread of about 55 points.
Why 19711 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 19711, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 55% of adults in 19711 hold a bachelor's degree, about 26 points above the U.S. average of 28%. Dense areas vote Democratic, and 19711 sits in the top fifth on density (about 77%, above 82% of zip codes). A high never-married share predicts Democratic voting, and about 42% of adults in 19711 have never been married, above 90% of zip codes.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 19711, 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 19711 looks the way it does
Turnout in 19711 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 Zip Codes
Zip Codes with Similar Populations
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.