22737 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 84% of adults in 22737 typically vote, above the U.S. average of about 62%. Among adults in 22737, ~24% vote Democratic, ~60% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How 22737 compares
Among zip codes within 15 miles, 22737 leans more Republican than 18 of 20 neighbors.
22737 runs about 48 points more Republican than Virginia as a whole. Virginia leans Democratic overall, while 22737 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 22737. The south side is the most Republican-leaning (R+46) and the east side is the least Republican-leaning (R+35), a spread of about 10 points.
Why 22737 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 22737, not a ranked or complete list of what matters most.
22737 votes against the grain of Virginia. Virginia leans Democratic overall, while 22737 runs about 48 points more Republican. Car-dependent areas vote Republican, and about 84% of residents in 22737 drive to work alone, above 86% of zip codes. A high family-household share predicts Republican voting, and about 79% of households in 22737 are family households, above 90% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 22737, VA sits in the bottom 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 22737 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 22737 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 69%, about 9 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in 22737 own their home, about 16 points above the U.S. average of 75%. 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.