19947 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 61% of adults in 19947 typically vote, near the U.S. average of about 62%. Among adults in 19947, ~25% vote Democratic, ~36% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 19947 compares
Among zip codes within 15 miles, 19947 leans more Republican than 7 of 12 neighbors.
19947 runs about 33 points more Republican than Delaware as a whole. Delaware leans Democratic overall, while 19947 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 19947. The south side is the most Republican-leaning (R+45) and the north side is the least Republican-leaning (R+4), a spread of about 41 points.
Why 19947 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 19947, not a ranked or complete list of what matters most.
19947 votes against the grain of Delaware. Delaware leans Democratic overall, while 19947 runs about 33 points more Republican.
High-school completion, uninsured rate, and voter turnout
Places that combine low high-school-completion share and a high uninsured rate tend to turn out at a lower rate, as 19947, DE does.
Why turnout in 19947 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 19947 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 23% of adults in 19947 report food insecurity, above 87% of zip codes. Low high-school completion lines up with lower turnout, and about 77% of adults in 19947 have completed high school, below 94% 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.