Round Hill, VA Political Map | Democrat & Republican Areas in Round Hill

By the BestNeighborhood data science team. Last updated May 2026.

Round Hill leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.

 

About 90% of adults in Round Hill typically vote, above the U.S. average of about 62%. Among adults in Round Hill, ~41% vote Democratic, ~49% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.

How Round Hill compares

Among cities within 25 miles, Round Hill leans more Republican than 53 of 107 neighbors.

Round Hill runs about 13 points more Republican than Virginia as a whole. Virginia leans Democratic overall, while Round Hill is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Round Hill. The south side runs the most Democratic (D+7) and the northwest side runs the most Republican (R+15), a spread of about 22 points.

Why Round Hill 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 Round Hill, not a ranked or complete list of what matters most.

Round Hill votes Republican even though it is densely developed (about 23%, about 13 points below the U.S. average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 85% of households in Round Hill are family households, above 97% of cities. Round Hill runs against the grain of Virginia, a Republican-leaning pocket in a Democratic-leaning state.

High-school completion, uninsured rate, and voter turnout

Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as Round Hill, VA does.

Why turnout in Round Hill looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Round Hill 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%. Homeowners vote more often than renters, and about 92% of households in Round Hill own their home, about 17 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Round Hill have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.

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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.