20716 is a Democratic stronghold. About 86% of voters here vote Democratic and 14% Republican.
About 75% of adults in 20716 typically vote, above the U.S. average of about 62%. Among adults in 20716, ~64% vote Democratic, ~11% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 20716 compares
Among zip codes within 15 miles, 20716 leans more Democratic than 46 of 64 neighbors.
20716 runs about 43 points more Democratic than Maryland as a whole.
Politics vary noticeably by block within 20716. The west side is the most Democratic-leaning (D+72) and the southeast side is the least Democratic-leaning (D+54), a spread of about 18 points.
Why 20716 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 20716, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 20716 is about 19%, about 54 points below the U.S. average of 72%. High college attainment predicts Democratic voting, and 20716 sits in the top quarter (about 49%, above 88% of zip codes). A high never-married share predicts Democratic voting, and about 38% of adults in 20716 have never been married, above 84% of zip codes.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 20716, MD sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 20716 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 20716 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 66%, about 6 points above the U.S. average of 60%. 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 Maryland State 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.