Grantsville is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 63% of adults in Grantsville typically vote, near the U.S. average of about 62%. Among adults in Grantsville, ~13% vote Democratic, ~51% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Grantsville compares
Among cities within 25 miles, Grantsville leans more Republican than 56 of 118 neighbors.
Grantsville runs about 89 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while Grantsville is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Grantsville. The southwest side is the most Republican-leaning (R+67) and the northwest side is the least Republican-leaning (R+55), a spread of about 12 points.
Why Grantsville 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 Grantsville, not a ranked or complete list of what matters most.
Grantsville votes against the grain of Maryland. Maryland leans Democratic overall, while Grantsville runs about 89 points more Republican.
Multifamily housing and voter turnout
Places with a high multifamily-housing share tend to turn out in mixed patterns; Grantsville, MD sits in the top quarter nationally on this measure. Apartment housing does not change how people vote; it reflects urban density and renting.
Why turnout in Grantsville looks the way it does
Turnout in Grantsville sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Jennings, MD R+67
- Springs, PA R+65
- Salisbury, PA R+66
- New Germany, MD R+60
- Engle Mill, MD R+52
- Boynton, PA R+67
- Fort Hill, PA R+65
- Bittinger, MD R+59
- Listonburg, PA R+62
- Summit Mills, PA R+69
Cities with Similar Populations
- Beloit, OH R+52
- Gregory, TX R+20
- Staley, NC R+54
- Bergheim, TX R+56
- Hackett, AR R+66
- Eunice, NM R+61
- Ridgetop, TN R+53
- Allendale, SC D+54
- Canajoharie, NY R+40
- Catalina, AZ R+19
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.