84742 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 51% of adults in 84742 typically vote, below the U.S. average of about 62%. Among adults in 84742, ~8% vote Democratic, ~43% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How 84742 compares
Among zip codes within 15 miles, 84742 leans more Republican than 2 of 3 neighbors.
84742 runs about 47 points more Republican than Utah as a whole.
Why 84742 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 84742, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 84742 sits in the bottom quarter on density and about 96% of residents are non-Hispanic white, about 15 points above the Utah average of 81%.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; 84742, UT sits in the bottom tenth nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 84742 looks the way it does
Crowded housing lines up with lower turnout. About 6% of homes in 84742 have more than one occupant per room, above 91% of zip codes. Strong routine healthcare access lines up with higher turnout, and 84742 sits in the top quarter on routine-care measures. 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.