84731 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 43% of adults in 84731 typically vote, below the U.S. average of about 62%. Among adults in 84731, ~5% vote Democratic, ~38% Republican, and ~57% don't vote. The map below shows estimated turnout by block group.
How 84731 compares
84731 sits in a sparsely populated area with few comparable zip codes nearby.
84731 runs about 52 points more Republican than Utah as a whole.
Why 84731 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 84731, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 85% of households in 84731 are family households, about 18 points above the U.S. average of 67%. Rural areas vote Republican, and 84731 sits in the bottom quarter on density (about 1%, below 97% of zip codes).
Population density and Republican lean
Places with low population density tend to lean Republican; 84731, UT sits in the bottom tenth nationally on this measure.
Why turnout in 84731 looks the way it does
Crowded housing lines up with lower turnout. About 15% of homes in 84731 have more than one occupant per room, above 98% of zip codes. Strong routine healthcare access lines up with higher turnout, and 84731 sits in the top quarter on routine-care measures. Low high-school completion lines up with lower turnout, and about 87% of adults in 84731 have completed high school, below 74% 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.