Garrison leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 71% of adults in Garrison typically vote, above the U.S. average of about 62%. Among adults in Garrison, ~50% vote Democratic, ~21% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Garrison compares
Among neighborhoods within 5 miles, Garrison leans more Democratic than 1 of 6 neighbors.
Garrison runs about 12 points more Democratic than Maryland as a whole.
Politics vary noticeably by block within Garrison. The east side is the most Democratic-leaning (D+64) and the south side is the least Democratic-leaning (D+26), a spread of about 38 points.
Why Garrison leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Garrison, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 66% of adults in Garrison hold a bachelor's degree, about 37 points above the U.S. average of 28%.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Garrison, Owings Mills, MD does.
Why turnout in Garrison looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Garrison 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 65%, about 5 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Owings Mills New Town, Owings Mills, MD D+70
- The Woodlands, Randallstown, MD D+83
- Glen-Fallstaff, Baltimore, MD D+49
- Cheswolde, Baltimore, MD D+9
- Woodmoor, Lochearn, MD D+86
- Pimlico, Baltimore, MD D+85
- Howard Park, Gwynn Oak, MD D+85
- Greater Mount Washington, Baltimore, MD D+67
- Park Heights, Baltimore, MD D+86
- Chadwick Manor, Woodlawn, MD D+59
Neighborhoods with Similar Populations
- Rosewood, Austin, TX D+62
- Mount Carmel, Wyandotte, MI R+7
- O Henry Oaks, Greensboro, NC D+60
- Alamance Hills, Burlington, NC D+31
- West Park, Canton, OH D+16
- Rufus King, Milwaukee, WI D+87
- Mountain View, South Valley, NM D+12
- East Village, Cuyahoga Falls, OH D+7
- Cobblestone, Jacksonville, FL R+5
- Centerville, West Warwick, RI D+7
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.