19938 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 81% of adults in 19938 typically vote, above the U.S. average of about 62%. Among adults in 19938, ~33% vote Democratic, ~48% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 19938 compares
Among zip codes within 15 miles, 19938 leans more Republican than 10 of 23 neighbors.
19938 runs about 32 points more Republican than Delaware as a whole. Delaware leans Democratic overall, while 19938 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 19938. The east side runs the most Democratic (D+28) and the west side runs the most Republican (R+45), a spread of about 73 points.
Why 19938 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 19938, not a ranked or complete list of what matters most.
19938 votes against the grain of Delaware. Delaware leans Democratic overall, while 19938 runs about 32 points more Republican. A high family-household share predicts Republican voting, and about 77% of households in 19938 are family households, above 84% of zip codes.
Renting and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 19938, DE sits in the bottom tenth nationally on this measure.
Why turnout in 19938 looks the way it does
Homeowners vote more often than renters. About 92% of households in 19938 own their home, about 13 points above the Delaware average of 78%. 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.