20019 is a Democratic stronghold. About 93% of voters here vote Democratic and 7% Republican.
About 60% of adults in 20019 typically vote, near the U.S. average of about 62%. Among adults in 20019, ~56% vote Democratic, ~4% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 20019 compares
Among zip codes within 15 miles, 20019 leans more Democratic than 111 of 113 neighbors.
Politically, 20019 sits close to the rest of the District of Columbia.
Why 20019 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 20019, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in 20019 live in densely developed areas, about 60 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 62% of adults in 20019 have never been married, above 98% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 20019, DC 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 20019 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 20019 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 about 57% of households in 20019 rent, about 32 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 33% of adults in 20019 report food insecurity, above 95% 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 District of Columbia Board 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.