Allegany County leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 63% of adults in Allegany County typically vote, near the U.S. average of about 62%. Among adults in Allegany County, ~21% vote Democratic, ~42% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Allegany County compares
Among counties within 50 miles, Allegany County leans more Republican than 3 of 13 neighbors.
Allegany County runs about 62 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while Allegany County is one of the few Republican-leaning pockets.
Politics vary noticeably by city within Allegany County. The southwest side is the most Republican-leaning (R+57) and the west side is the least Republican-leaning (R+16), a spread of about 41 points.
Why Allegany County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Allegany County, not a ranked or complete list of what matters most.
Allegany County votes against the grain of Maryland. Maryland leans Democratic overall, while Allegany County runs about 62 points more Republican.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Allegany County, MD sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Allegany County looks the way it does
Turnout in Allegany County 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 Counties
- Mineral County, WV R+58
- Hampshire County, WV R+62
- Garrett County, MD R+50
- Somerset County, PA R+54
- Morgan County, WV R+56
- Bedford County, PA R+66
- Hardy County, WV R+61
- Grant County, WV R+74
- Fulton County, PA R+70
- Preston County, WV R+58
Counties with Similar Populations
- Shiawassee County, MI R+27
- Lake County, CA R+4
- Madison County, NY R+13
- McCracken County, KY R+30
- Catoosa County, GA R+54
- Otero County, NM R+19
- Carteret County, NC R+35
- Walker County, GA R+61
- Franklin County, NC R+18
- Oldham County, KY R+23
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.