Castle Valley leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 40% of adults in Castle Valley typically vote, below the U.S. average of about 62%. Among adults in Castle Valley, ~15% vote Democratic, ~25% Republican, and ~60% don't vote. The map below shows estimated turnout by block group.
How Castle Valley compares
Among cities within 25 miles, Castle Valley leans more Republican than 1 of 3 neighbors.
Politically, Castle Valley sits close to the rest of Utah.
Why Castle Valley 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 Castle Valley, not a ranked or complete list of what matters most.
Rural areas vote Republican. Fewer than 1% of residents in Castle Valley live in densely developed areas, about 31 points below the Utah average of 32%.
Population density and Republican lean
Places with low population density tend to lean Republican; Castle Valley, UT sits in the bottom tenth nationally on this measure.
Why turnout in Castle Valley looks the way it does
Crowded housing lines up with lower turnout. About 11% of homes in Castle Valley have more than one occupant per room, above 97% of cities. Strong routine healthcare access lines up with higher turnout, and Castle Valley sits in the top quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Moab, UT R+5
- La Sal, UT R+64
- Paradox, CO R+60
- Gateway, CO R+39
- Glade Park, CO R+39
- Green River, UT R+70
- Vancorum, CO R+61
Cities with Similar Populations
- Lamine, MO R+65
- Gazelle, CA R+34
- Oddville, KY R+56
- Trilla, IL R+60
- Dundee Village, MD R+19
- Mineral Springs, OH R+67
- Buffalo, KS R+68
- Nicholsville, OH R+59
- Aneta, ND R+45
- Corinne, WV R+68
All Local Stats
Home Services
Sources and methodology
Precinct-level voting records used to fit the model come from Utah Lieutenant Governor's Office, 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.