Vienna leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 83% of adults in Vienna typically vote, above the U.S. average of about 62%. Among adults in Vienna, ~58% vote Democratic, ~25% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Vienna compares
Among cities within 25 miles, Vienna leans more Democratic than 94 of 204 neighbors.
Vienna runs about 35 points more Democratic than Virginia as a whole.
Politics vary noticeably by neighborhood within Vienna. The west side is the most Democratic-leaning (D+47) and the north side is the least Democratic-leaning (D+30), a spread of about 17 points.
Why Vienna leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Vienna, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 75% of adults in Vienna hold a bachelor's degree, about 47 points above the U.S. average of 28%. Dense areas vote Democratic, and Vienna sits in the top fifth on density (about 98%, in the top fraction of cities).
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Vienna, VA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Vienna looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Vienna 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Vienna have completed high school, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Dunn Loring, VA D+40
- Tysons Corner, VA D+43
- Idylwood, VA D+41
- Oakton, VA D+37
- Woodburn, VA D+35
- Wolf Trap, VA D+36
- West Falls Church, VA D+43
- Fairfax, VA D+35
- McLean, VA D+37
- Annandale, VA D+33
Cities with Similar Populations
- Mount Washington, KY R+49
- Nanuet, NY D+9
- Brainerd, MN R+27
- Tullahoma, TN R+47
- Dyersburg, TN R+37
- Caledonia, WI R+6
- Hummelstown, PA D+4
- Menomonie, WI Even
- Canby, OR Even
- Washington, IL R+25
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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.