19963 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 74% of adults in 19963 typically vote, above the U.S. average of about 62%. Among adults in 19963, ~35% vote Democratic, ~39% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 19963 compares
Among zip codes within 15 miles, 19963 leans more Republican than 2 of 12 neighbors.
19963 runs about 22 points more Republican than Delaware as a whole. Delaware leans Democratic overall, while 19963 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 19963. The west side runs the most Democratic (D+8) and the northeast side runs the most Republican (R+31), a spread of about 38 points.
Why 19963 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 19963, not a ranked or complete list of what matters most.
19963 votes against the grain of Delaware. Delaware leans Democratic overall, while 19963 runs about 22 points more Republican.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; 19963, DE sits in the bottom quarter nationally on this measure.
Why turnout in 19963 looks the way it does
Turnout in 19963 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.