19933 leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 70% of adults in 19933 typically vote, above the U.S. average of about 62%. Among adults in 19933, ~29% vote Democratic, ~41% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 19933 compares
Among zip codes within 15 miles, 19933 leans more Republican than 1 of 12 neighbors.
19933 runs about 31 points more Republican than Delaware as a whole. Delaware leans Democratic overall, while 19933 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 19933. The northeast side is the most split-leaning (R+42) and the north side is the least split-leaning (Even), a spread of about 42 points.
Why 19933 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 19933, not a ranked or complete list of what matters most.
19933 votes against the grain of Delaware. Delaware leans Democratic overall, while 19933 runs about 31 points more Republican.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 19933, DE sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 19933 looks the way it does
Turnout in 19933 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.