Vienna leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 72% of adults in Vienna typically vote, above the U.S. average of about 62%. Among adults in Vienna, ~23% vote Democratic, ~49% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Vienna compares
Among cities within 25 miles, Vienna leans more Republican than 50 of 95 neighbors.
Vienna runs about 65 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while Vienna is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Vienna. The west side is the most Republican-leaning (R+48) and the east side is the least Republican-leaning (R+30), a spread of about 18 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.
Vienna votes against the grain of Maryland. Maryland leans Democratic overall, while Vienna runs about 65 points more Republican. Rural areas vote Republican, and Vienna sits in the bottom quarter on density (about 4%, below 85% of cities). Low college attainment predicts Republican voting, and Vienna sits in the bottom quarter (about 13%, below 86% of cities).
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; Vienna, MD sits in the bottom quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
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 60%, below 57% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Rabbit Town, MD R+30
- Salem, MD R+43
- Reids Grove, MD R+31
- Spring Grove, MD R+26
- Mardela Springs, MD R+32
- Linkwood, MD R+40
- Thompsontown, MD R+50
- Sharptown, MD R+37
- Petersburg, MD R+19
- Eldorado, MD R+50
Cities with Similar Populations
- Hillsdale, IN R+60
- Nick, KY R+65
- Sentinel Heights, NY R+4
- Chestnut Gap, KY R+73
- Big Run, PA R+58
- Richville, NY R+44
- Manlyville, TN R+70
- Kinards, SC R+43
- Wando, SC R+2
- Mound Valley, KS R+61
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Sources and methodology
Precinct-level voting records used to fit the model come from Maryland State Board 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.