Montgomery County leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 69% of adults in Montgomery County typically vote, above the U.S. average of about 62%. Among adults in Montgomery County, ~38% vote Democratic, ~31% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Montgomery County compares
Among counties within 50 miles, Montgomery County leans more Democratic than 21 of 23 neighbors.
Politically, Montgomery County sits close to the rest of Virginia.
Politics vary noticeably by city within Montgomery County. The north side runs the most Democratic (D+47) and the southwest side runs the most Republican (R+38), a spread of about 85 points.
Why Montgomery 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 Montgomery County, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 49% of adults in Montgomery County hold a bachelor's degree, about 21 points above the U.S. average of 28%. Dense areas vote Democratic, and Montgomery County sits in the top fifth on density (about 59%, above 85% of counties). A high never-married share predicts Democratic voting, and about 48% of adults in Montgomery County have never been married, above 98% of counties.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Montgomery County, VA sits in the top tenth nationally on this measure.
Why turnout in Montgomery County looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Montgomery County have completed high school, about 8 points above the Virginia average of 89%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Radford City, VA Even
- Floyd County, VA R+47
- Pulaski County, VA R+43
- Giles County, VA R+58
- Salem City, VA R+21
- Craig County, VA R+64
- Roanoke County, VA R+23
- Roanoke City, VA D+25
- Monroe County, WV R+63
- Franklin County, VA R+46
Counties with Similar Populations
- Moore County, NC R+24
- Dallas County, IA R+7
- Sutter County, CA R+23
- Cleveland County, NC R+33
- Hunt County, TX R+49
- Roanoke City, VA D+25
- Lenawee County, MI R+27
- Dubuque County, IA R+12
- Garland County, AR R+33
- Grant County, WA R+34
Sources and methodology
Precinct-level voting records used to fit the model come from Virginia Department 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.