Isom is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 71% of adults in Isom typically vote, above the U.S. average of about 62%. Among adults in Isom, ~13% vote Democratic, ~58% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Isom compares
Among cities within 25 miles, Isom leans more Republican than 26 of 140 neighbors.
Isom runs about 69 points more Republican than Virginia as a whole. Virginia leans Democratic overall, while Isom is one of the few Republican-leaning pockets.
Why Isom 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 Isom, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Isom, about 97% 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 17 points below the Virginia average of 29%. Isom runs against the grain of Virginia, a Republican-leaning pocket in a Democratic-leaning state.
Housing overcrowding and voter turnout
Places with low overcrowding tend to turn out at a higher rate; Isom, VA sits in the bottom tenth nationally on this measure.
Why turnout in Isom looks the way it does
Turnout in Isom sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Flemingtown, VA R+65
- Freeling, VA R+66
- Clintwood, VA R+63
- Lockhart Flats, VA R+67
- Tivis, VA R+67
- Ashcamp, KY R+69
- Norland, VA R+66
- Omaha, VA R+66
- Clinchco, VA R+66
Cities with Similar Populations
- Makaha, HI D+18
- Cloverdale, MO R+65
- Ellis Grove, IL R+61
- Lancaster, MN R+38
- Shorterville, AL R+49
- Clay, OH R+63
- Vertrees, KY R+66
- San Simeon, CA D+5
- South Chase, WI R+42
- Bakertown, IN R+60
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.