20169 is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 93% of adults in 20169 typically vote, above the U.S. average of about 62%. Among adults in 20169, ~46% vote Democratic, ~47% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How 20169 compares
Among zip codes within 15 miles, 20169 sits roughly in the middle of the political spectrum, with 9 neighbors leaning further in the place's direction and 16 leaning the other way.
20169 runs about 6 points more Republican than Virginia as a whole.
Politics vary noticeably by block within 20169. The east side runs the most Democratic (D+9) and the northeast side runs the most Republican (R+29), a spread of about 38 points.
Why 20169 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 20169. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 20169, VA sits in the top quarter nationally on this measure.
Why turnout in 20169 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 20169 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in 20169 own their home, about 17 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in 20169 have completed high school, 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.