Summerdean is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 80% of adults in Summerdean typically vote, above the U.S. average of about 62%. Among adults in Summerdean, ~20% vote Democratic, ~60% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Summerdean compares
Among cities within 25 miles, Summerdean leans more Republican than 38 of 70 neighbors.
Summerdean runs about 56 points more Republican than Virginia as a whole. Virginia leans Democratic overall, while Summerdean is one of the few Republican-leaning pockets.
Why Summerdean 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 Summerdean, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 92% of residents in Summerdean drive to work alone, about 18 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 75% of households in Summerdean are family households, above 76% of cities. Summerdean 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; Summerdean, VA sits below the national average on this measure.
Why turnout in Summerdean looks the way it does
Homeowners vote more often than renters. About 91% of households in Summerdean own their home, about 15 points above the Virginia average of 76%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Middlebrook, VA R+52
- Augusta Springs, VA R+64
- West View, VA R+50
- McKinley, VA R+54
- Wilda, VA R+53
- Jolivue, VA R+34
- Swoope, VA R+50
- White Hill, VA R+41
- Steeles Tavern, VA R+58
- Greenville, VA R+56
Cities with Similar Populations
- Blue Goose, TN R+66
- Davant, LA D+54
- Ilasco, MO R+62
- Clothier, WV R+67
- Munson, MI R+54
- Waterford Mills, IN R+34
- Buck Creek, WI R+25
- Le Tourneau, MS R+50
- Mugginsville, CA R+29
- Oak Orchard, NY R+46
All Local Stats
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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.