84739 is a Republican stronghold. About 12% of voters here vote Democratic and 88% Republican.
About 55% of adults in 84739 typically vote, below the U.S. average of about 62%. Among adults in 84739, ~7% vote Democratic, ~48% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 84739 compares
Among zip codes within 15 miles, 84739 leans more Republican than 3 of 6 neighbors.
84739 runs about 54 points more Republican than Utah as a whole.
Why 84739 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 84739, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in 84739 live in densely developed areas, about 30 points below the Utah average of 32%. A high family-household share predicts Republican voting, and about 88% of households in 84739 are family households, in the top fraction of zip codes.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as 84739, UT does.
Why turnout in 84739 looks the way it does
Crowded housing lines up with lower turnout. About 4% of homes in 84739 have more than one occupant per room, above 84% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.