21076 leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 76% of adults in 21076 typically vote, above the U.S. average of about 62%. Among adults in 21076, ~53% vote Democratic, ~23% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 21076 compares
Among zip codes within 15 miles, 21076 leans more Democratic than 28 of 68 neighbors.
21076 runs about 11 points more Democratic than Maryland as a whole.
Politics vary noticeably by block within 21076. The southwest side is the most Democratic-leaning (D+52) and the northeast side is the least Democratic-leaning (D+18), a spread of about 34 points.
Why 21076 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 21076, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 55% of adults in 21076 hold a bachelor's degree, about 27 points above the U.S. average of 28%. Dense areas vote Democratic, and 21076 sits in the top fifth on density (about 78%, above 82% of zip codes).
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 21076, 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 21076 looks the way it does
Turnout in 21076 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.