22637 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 80% of adults in 22637 typically vote, above the U.S. average of about 62%. Among adults in 22637, ~25% vote Democratic, ~55% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 22637 compares
Among zip codes within 15 miles, 22637 leans more Republican than 5 of 16 neighbors.
22637 runs about 45 points more Republican than Virginia as a whole. Virginia leans Democratic overall, while 22637 is one of the few Republican-leaning pockets.
Why 22637 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 22637, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 86% of residents in 22637 drive to work alone, about 12 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 86% of households in 22637 are family households, above 98% of zip codes. 22637 runs against the grain of Virginia, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 22637, VA sits in the bottom 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 22637 looks the way it does
Turnout in 22637 sits close to the national pattern. 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.