Big Rock, VA Political Map | Democrat & Republican Areas in Big Rock

Big Rock is a Republican stronghold. About 17% of voters here vote Democratic and 83% Republican.

 
Big Rock, VA block-group political-lean map
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About 84% of adults in Big Rock typically vote, above the U.S. average of about 62%. Among adults in Big Rock, ~14% vote Democratic, ~70% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.

Big Rock, VA block-group voter-turnout map
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How Big Rock compares

Among cities within 25 miles, Big Rock leans more Republican than 27 of 144 neighbors.

Big Rock runs about 72 points more Republican than Virginia as a whole. Virginia leans Democratic overall, while Big Rock is one of the few Republican-leaning pockets.

Why Big Rock 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 Big Rock, not a ranked or complete list of what matters most.

Areas with a high white share and below-average college attainment vote Republican. In Big Rock, about 98% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 12% of adults hold a bachelor's degree, about 16 points below the Virginia average of 29%. Big Rock runs against the grain of Virginia, a Republican-leaning pocket in a Democratic-leaning state.

Population density and Republican lean

Places with low population density tend to lean Republican; Big Rock, VA sits below the national average on this measure.

Why turnout in Big Rock looks the way it does

Limited routine healthcare access lines up with lower turnout, and Big Rock sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.

Cities 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.