20832 leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 85% of adults in 20832 typically vote, above the U.S. average of about 62%. Among adults in 20832, ~59% vote Democratic, ~26% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 20832 compares
Among zip codes within 15 miles, 20832 leans more Democratic than 19 of 70 neighbors.
20832 runs about 12 points more Democratic than Maryland as a whole.
Politics vary noticeably by block within 20832. The east side is the most Democratic-leaning (D+47) and the north side is the least Democratic-leaning (D+31), a spread of about 16 points.
Why 20832 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 20832, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 65% of adults in 20832 hold a bachelor's degree, about 37 points above the U.S. average of 28%. Dense areas vote Democratic, and 20832 sits in the top fifth on density (about 78%, above 82% of zip codes).
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 20832, MD sits in the top tenth 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 20832 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 20832 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 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 89% of households in 20832 own their home, above 84% of zip codes. High high-school completion lines up with higher turnout, and about 96% of adults in 20832 have completed high school, above 85% 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.