19806 is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.
About 76% of adults in 19806 typically vote, above the U.S. average of about 62%. Among adults in 19806, ~60% vote Democratic, ~16% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 19806 compares
Among zip codes within 15 miles, 19806 leans more Democratic than 41 of 45 neighbors.
19806 runs about 43 points more Democratic than Delaware as a whole.
Politics vary noticeably by block within 19806. The southeast side is the most Democratic-leaning (D+65) and the northeast side is the least Democratic-leaning (D+46), a spread of about 19 points.
Why 19806 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 19806, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 94% of residents in 19806 live in densely developed areas, about 57 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 19806 sits in the top quarter (about 66%, above 96% of zip codes). A high never-married share predicts Democratic voting, and about 43% of adults in 19806 have never been married, above 90% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 19806, DE sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 19806 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 19806 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 10 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 19806 have completed high school, above 80% of 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.