21082 leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 91% of adults in 21082 typically vote, above the U.S. average of about 62%. Among adults in 21082, ~33% vote Democratic, ~58% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How 21082 compares
Among zip codes within 15 miles, 21082 leans more Republican than 46 of 53 neighbors.
21082 runs about 56 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while 21082 is one of the few Republican-leaning pockets.
Why 21082 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 21082, not a ranked or complete list of what matters most.
21082 votes against the grain of Maryland. Maryland leans Democratic overall, while 21082 runs about 56 points more Republican. A high family-household share predicts Republican voting, and about 75% of households in 21082 are family households, above 80% of zip codes.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 21082, MD sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 21082 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 21082 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 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in 21082 own their home, about 18 points above the U.S. average of 75%. 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.