Gwynn Oak is a Democratic stronghold. About 92% of voters here vote Democratic and 8% Republican.
About 64% of adults in Gwynn Oak typically vote, near the U.S. average of about 62%. Among adults in Gwynn Oak, ~59% vote Democratic, ~5% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Gwynn Oak compares
Among cities within 25 miles, Gwynn Oak is the most Democratic-leaning.
Gwynn Oak runs about 55 points more Democratic than Maryland as a whole.
Why Gwynn Oak leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Gwynn Oak, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 84% of residents in Gwynn Oak live in densely developed areas, about 47 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 45% of adults in Gwynn Oak have never been married, above 96% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Gwynn Oak, MD sits in the top tenth nationally on this measure.
Why turnout in Gwynn Oak looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Gwynn Oak 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 53%, about 7 points below the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lochearn, MD D+81
- Woodlawn, MD D+63
- Milford Mill, MD D+81
- Pikesville, MD D+35
- Catonsville, MD D+34
- Baltimore, MD D+29
- Halethorpe, MD D+12
- Arbutus, MD D+11
- Windsor Mill, MD D+18
- Lansdowne, MD D+13
Cities with Similar Populations
- Okmulgee, OK R+18
- Cedar Springs, MI R+29
- Ridge, NY R+19
- Allouez, WI D+8
- Rice Lake, WI R+20
- Brandywine, MD D+60
- Arbutus, MD D+11
- University Heights, OH D+35
- South Daytona, FL R+12
- Bradford, PA R+32
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.