South Jackson leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 64% of adults in South Jackson typically vote, near the U.S. average of about 62%. Among adults in South Jackson, ~17% vote Democratic, ~47% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How South Jackson compares
Among cities within 25 miles, South Jackson leans more Republican than 26 of 62 neighbors.
South Jackson runs about 54 points more Republican than Virginia as a whole. Virginia leans Democratic overall, while South Jackson is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within South Jackson. The northwest side is the most Republican-leaning (R+54) and the southeast side is the least Republican-leaning (R+39), a spread of about 15 points.
Why South Jackson 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 South Jackson, not a ranked or complete list of what matters most.
South Jackson votes against the grain of Virginia. Virginia leans Democratic overall, while South Jackson runs about 54 points more Republican. Low college attainment predicts Republican voting, and South Jackson sits in the bottom quarter (about 15%, below 78% of cities).
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; South Jackson, VA sits in the bottom quarter nationally on this measure.
Why turnout in South Jackson looks the way it does
Turnout in South Jackson 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
- Hawkinstown, VA R+47
- Mount Jackson, VA R+50
- Quicksburg, VA R+55
- Hamburg, VA R+52
- New Market, VA R+40
- Edinburg, VA R+49
- Battle Creek, VA R+56
- Basye, VA R+35
- Orkney Springs, VA R+33
Cities with Similar Populations
- Whitesboro, OK R+67
- Big Oak Flat, CA R+23
- Rock Dell, MN R+41
- Cummings, KS R+58
- St. Michael, PA R+48
- Marble Rock, IA R+50
- Balsora, TX R+77
- Laurel Run, PA R+40
- Three Brothers, AR R+59
- Hallwood, PA R+47
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.