21754 is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 85% of adults in 21754 typically vote, above the U.S. average of about 62%. Among adults in 21754, ~44% vote Democratic, ~41% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 21754 compares
Among zip codes within 15 miles, 21754 leans more Democratic than 13 of 30 neighbors.
21754 runs about 24 points more Republican than Maryland as a whole.
Politics vary noticeably by block within 21754. The west side runs the most Democratic (D+24) and the northeast side runs the most Republican (R+16), a spread of about 40 points.
Why 21754 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 21754. The lean here lands roughly where demographic data alone would predict.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 21754, MD sits in the top tenth nationally on this measure.
Why turnout in 21754 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 21754 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 73%, about 13 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in 21754 own their home, about 19 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in 21754 have completed high school, above 94% 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.