19902 is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 36% of adults in 19902 typically vote, below the U.S. average of about 62%. Among adults in 19902, ~17% vote Democratic, ~19% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.
How 19902 compares
Among zip codes within 15 miles, 19902 leans more Republican than 6 of 17 neighbors.
19902 runs about 18 points more Republican than Delaware as a whole. Delaware leans Democratic overall, while 19902 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 19902. The southwest side runs the most Democratic (D+8) and the west side runs the most Republican (R+7), a spread of about 15 points.
Why 19902 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 19902, not a ranked or complete list of what matters most.
19902 votes against the grain of Delaware. Delaware leans Democratic overall, while 19902 runs about 18 points more Republican.
Homeownership and voter turnout
Places with renter-heavy households tend to turn out at a lower rate; 19902, DE sits in the bottom tenth nationally on this measure.
Why turnout in 19902 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 19902 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and more than 99% of households in 19902 rent, compared to around 21% in nearby zip codes. 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.