84320 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 56% of adults in 84320 typically vote, below the U.S. average of about 62%. Among adults in 84320, ~7% vote Democratic, ~49% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 84320 compares
Among zip codes within 15 miles, 84320 leans more Republican than 8 of 13 neighbors.
84320 runs about 52 points more Republican than Utah as a whole.
Why 84320 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 84320, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 87% of households in 84320 are family households, about 20 points above the U.S. average of 67%.
Housing overcrowding and voter turnout
Places with heavy housing overcrowding tend to turn out at a lower rate; 84320, UT sits in the top tenth nationally on this measure.
Why turnout in 84320 looks the way it does
Crowded housing lines up with lower turnout. About 7% of homes in 84320 have more than one occupant per room, above 92% of zip codes. Strong routine healthcare access lines up with higher turnout, and 84320 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.