22191 leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.
About 58% of adults in 22191 typically vote, near the U.S. average of about 62%. Among adults in 22191, ~40% vote Democratic, ~18% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 22191 compares
Among zip codes within 15 miles, 22191 leans more Democratic than 25 of 35 neighbors.
22191 runs about 32 points more Democratic than Virginia as a whole.
Politics vary noticeably by block within 22191. The southwest side is the most Democratic-leaning (D+50) and the east side is the least Democratic-leaning (D+17), a spread of about 34 points.
Why 22191 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 22191, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 86% of residents in 22191 live in densely developed areas, about 49 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 22191 sits in the top quarter (about 37%, above 78% of zip codes). A high never-married share predicts Democratic voting, and about 38% of adults in 22191 have never been married, above 84% of zip codes.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 22191, VA sits in the top quarter 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 22191 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 22191 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 39% of households in 22191 rent, above 86% of zip codes. Crowded housing lines up with lower turnout, and about 7% of homes in 22191 have more than one occupant per room, above 92% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.