South Post leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 66% of adults in South Post typically vote, near the U.S. average of about 62%. Among adults in South Post, ~40% vote Democratic, ~26% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How South Post compares
Among neighborhoods within 5 miles, South Post is the least Democratic-leaning.
South Post runs about 14 points more Democratic than Virginia as a whole.
Politics vary noticeably by block within South Post. The north side is the most Democratic-leaning (D+25) and the southwest side is the least Democratic-leaning (D+12), a spread of about 13 points.
Why South Post 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 South Post, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 62% of adults in South Post hold a bachelor's degree, about 33 points above the U.S. average of 28%.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as South Post, Fort Belvoir, VA does.
Why turnout in South Post looks the way it does
Areas with strong routine healthcare access turn out at higher rates. South Post 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 73%, about 13 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Mt Vernon, Mount Vernon, VA D+35
- Woodlawn, Alexandria, VA D+47
- Hybla Valley, Alexandria, VA D+43
- Groveton, Alexandria, VA D+49
- Rose Hill, Alexandria, VA D+42
- Belle Haven, Belle View, VA D+45
- Landmark-Van Dom, Alexandria, VA D+54
- North Springfield, Springfield, VA D+26
- Eisenhower East, Alexandria, VA D+52
- Southwest Quadrant, Alexandria, VA D+62
Neighborhoods with Similar Populations
- Arden, Martinsburg, WV R+50
- Edgehill, Nashville, TN D+64
- Robinvale, Metuchen, NJ D+36
- Estudillo Estates-Glen, San Leandro, CA D+54
- Orchard Hills, Irvine, CA D+6
- Ballentine Place, Norfolk, VA D+68
- South Rose Hill, Kirkland, WA D+44
- Manitocannon Hill, Spokane, WA D+53
- Westminster Historic District, Westminster, MD R+3
- Strawberry Hill, Kansas City, KS D+43
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.