Glyndon leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 78% of adults in Glyndon typically vote, above the U.S. average of about 62%. Among adults in Glyndon, ~43% vote Democratic, ~35% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Glyndon compares
Among cities within 25 miles, Glyndon leans more Democratic than 59 of 115 neighbors.
Glyndon runs about 18 points more Republican than Maryland as a whole.
Politics vary noticeably by neighborhood within Glyndon. The east side runs the most Democratic (D+13) and the southwest side runs the most Republican (R+7), a spread of about 19 points.
Why Glyndon 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 Glyndon, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 76% of adults in Glyndon hold a bachelor's degree, about 48 points above the U.S. average of 28%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Glyndon, 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 Glyndon looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Glyndon 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 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Glyndon have completed high school, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Reisterstown, MD D+28
- Owings Mills, MD D+58
- Finksburg, MD R+26
- Stevenson, MD D+40
- Upperco, MD R+29
- Randallstown, MD D+76
- Lutherville-Timonium, MD D+21
- Pikesville, MD D+35
- Mays Chapel, MD D+15
- Eldersburg, MD R+13
Cities with Similar Populations
- Elcho, WI R+37
- Waltonville, IL R+61
- Cabin Creek, WV R+32
- Stringtown, MO R+69
- Weir, TX R+27
- Stone Harbor, NJ R+8
- Wapella, IL R+53
- Limedale, IN R+55
- Alvordton, OH R+64
- Phippsburg, CO R+2
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.