20676 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 81% of adults in 20676 typically vote, above the U.S. average of about 62%. Among adults in 20676, ~32% vote Democratic, ~49% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 20676 compares
Among zip codes within 15 miles, 20676 leans more Republican than 12 of 20 neighbors.
20676 runs about 50 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while 20676 is one of the few Republican-leaning pockets.
Why 20676 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 20676, not a ranked or complete list of what matters most.
20676 votes against the grain of Maryland. Maryland leans Democratic overall, while 20676 runs about 50 points more Republican. A high family-household share predicts Republican voting, and about 80% of households in 20676 are family households, above 92% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 20676, MD sits in the bottom 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 20676 looks the way it does
Homeowners vote more often than renters. About 92% of households in 20676 own their home, about 15 points above the Maryland average of 77%. 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.