Clarendon is a Democratic stronghold. About 80% of voters here vote Democratic and 20% Republican.
About 66% of adults in Clarendon typically vote, near the U.S. average of about 62%. Among adults in Clarendon, ~53% vote Democratic, ~13% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Clarendon compares
Among neighborhoods within 5 miles, Clarendon leans more Democratic than 26 of 56 neighbors.
Clarendon runs about 54 points more Democratic than Virginia as a whole.
Politics vary noticeably by block within Clarendon. The southwest side is the most Democratic-leaning (D+67) and the southeast side is the least Democratic-leaning (D+54), a spread of about 14 points.
Why Clarendon leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Clarendon, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 90% of adults in Clarendon hold a bachelor's degree, about 62 points above the U.S. average of 28%. Dense areas vote Democratic, and Clarendon sits in the top fifth on density (more than 99%, above 89% of neighborhoods). A high never-married share predicts Democratic voting, and about 56% of adults in Clarendon have never been married, above 89% of neighborhoods.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Clarendon, Arlington, 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 Clarendon looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Clarendon 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 77%, about 17 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Clarendon have completed high school, above 83% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Lyon Village, Arlington, VA D+63
- Lyon Park, Arlington, VA D+56
- Radnor-Ft Myer Heights, Arlington, VA D+56
- North Highland, Arlington, VA D+63
- Ashton Heights, Arlington, VA D+62
- North Rosslyn, Arlington, VA D+57
- Ballston-Virginia Square, Arlington, VA D+58
- Cherrydale, Arlington, VA D+57
- Penrose, Arlington, VA D+58
- Buckingham, Arlington, VA D+52
Neighborhoods with Similar Populations
- Downtown Redmond, Redmond, WA D+53
- Downtown Pensacola, Pensacola, FL D+18
- Winship, Detroit, MI D+88
- Hilltop, Wilmington, DE D+64
- Beard, Napa, CA D+37
- Cudell, Cleveland, OH D+37
- University Hill, Syracuse, NY D+58
- Parker Lane, Austin, TX D+59
- South Chicago, Chicago, IL D+76
- Hanson Park, Chicago, IL D+43
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.