Triangle leans heavily Democratic by roughly 42 points: about 71% of voters vote Democratic and 29% Republican.
About 66% of adults in Triangle typically vote, near the U.S. average of about 62%. Among adults in Triangle, ~47% vote Democratic, ~19% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Triangle compares
Among cities within 25 miles, Triangle leans more Democratic than 91 of 106 neighbors.
Triangle runs about 37 points more Democratic than Virginia as a whole.
Politics vary noticeably by neighborhood within Triangle. The northeast side is the most Democratic-leaning (D+53) and the west side is the least Democratic-leaning (D+8), a spread of about 45 points.
Why Triangle 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 Triangle, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 76% of residents in Triangle live in densely developed areas, about 40 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Triangle sits in the top quarter (about 37%, above 84% of cities). A high never-married share predicts Democratic voting, and about 35% of adults in Triangle have never been married, above 87% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Triangle, VA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Triangle looks the way it does
Turnout in Triangle 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
- Quantico Base, VA R+5
- Dumfries, VA D+41
- Cherry Hill, VA D+51
- Quantico, VA D+38
- Neabsco, VA D+44
- Montclair, VA D+27
- Widewater, VA R+9
- Doncaster, MD R+18
- Ruby, VA Even
- Woodbridge, VA D+35
Cities with Similar Populations
- Harrisburg, IL R+44
- Parsons, KS R+25
- Belle Vernon, PA R+30
- Coarsegold, CA R+29
- Cedar Hills, UT R+43
- South Haven, MI Even
- Red Bank, SC R+43
- Walkertown, NC R+24
- Kempner, TX R+52
- Pocahontas, AR R+59
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.