22904 is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.
About 31% of adults in 22904 typically vote, below the U.S. average of about 62%. Among adults in 22904, ~25% vote Democratic, ~6% Republican, and ~69% don't vote. The map below shows estimated turnout by block group.
How 22904 compares
Among zip codes within 15 miles, 22904 is the most Democratic-leaning.
22904 runs about 52 points more Democratic than Virginia as a whole.
Why 22904 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 22904, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 63% of adults in 22904 hold a bachelor's degree, about 35 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 22904 is about 57%, compared to around 75% in nearby zip codes. A high never-married share predicts Democratic voting, and about 91% of adults in 22904 have never been married, in the top fraction of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 22904, 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 22904 looks the way it does
Renters vote less often than owners. About 94% of households in 22904 rent, about 69 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 13% of homes in 22904 have more than one occupant per room, above 98% of zip codes. High-crime urban areas turn out at lower rates, and 22904 sits in the top 15% on a violent-crime measure. 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.