Fort Belvoir leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 61% of adults in Fort Belvoir typically vote, near the U.S. average of about 62%. Among adults in Fort Belvoir, ~37% vote Democratic, ~24% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How Fort Belvoir compares
Among cities within 25 miles, Fort Belvoir leans more Democratic than 43 of 186 neighbors.
Fort Belvoir runs about 15 points more Democratic than Virginia as a whole.
Politics vary noticeably by neighborhood within Fort Belvoir. The west side is the most Democratic-leaning (D+39) and the southwest side is the least Democratic-leaning (D+12), a spread of about 27 points.
Why Fort Belvoir 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 Fort Belvoir, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 55% of adults in Fort Belvoir hold a bachelor's degree, about 27 points above the U.S. average of 28%. Dense areas vote Democratic, and Fort Belvoir sits in the top fifth on density (about 57%, above 89% of cities).
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Fort Belvoir, VA sits in the top tenth 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 Fort Belvoir looks the way it does
Renters vote less often than owners. About 99% of households in Fort Belvoir rent, about 74 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and Fort Belvoir sits in the top quarter on routine-care measures. Low high-school completion lines up with lower turnout, and about 98% of adults in Fort Belvoir have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Mount Vernon, VA D+36
- Franconia, VA D+46
- Lorton, VA D+35
- Fort Hunt, VA D+38
- Newington, VA D+37
- Newington Forest, VA D+35
- Laurel Hill, VA D+40
- Bryans Road, MD D+58
- Belle View, VA D+44
Cities with Similar Populations
- Woodbury, TN R+68
- Caribou, ME R+21
- Thornville, OH R+47
- Thermalito, CA R+25
- Sturgis, SD R+42
- Bath, MI R+4
- Forest Hill, MD R+33
- Campbell, OH D+19
- Hartford City, IN R+45
- Tylertown, MS R+21
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.