21061 leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 60% of adults in 21061 typically vote, near the U.S. average of about 62%. Among adults in 21061, ~36% vote Democratic, ~24% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 21061 compares
Among zip codes within 15 miles, 21061 leans more Democratic than 18 of 66 neighbors.
21061 runs about 9 points more Republican than Maryland as a whole.
Politics vary noticeably by block within 21061. The south side runs the most Democratic (D+43) and the northwest side runs the most Republican (R+10), a spread of about 53 points.
Why 21061 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 21061, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 94% of residents in 21061 live in densely developed areas, about 58 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 39% of adults in 21061 have never been married, above 85% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 21061, MD sits in the top quarter 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 21061 looks the way it does
Renters vote less often than owners. About 41% of households in 21061 rent, about 16 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 5% of homes in 21061 have more than one occupant per room, above 87% 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 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.