84620 is a Republican stronghold. About 12% of voters here vote Democratic and 88% Republican.
About 75% of adults in 84620 typically vote, above the U.S. average of about 62%. Among adults in 84620, ~9% vote Democratic, ~66% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 84620 compares
Among zip codes within 15 miles, 84620 leans more Republican than 5 of 6 neighbors.
84620 runs about 55 points more Republican than Utah as a whole.
Why 84620 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 84620, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 84620 sits in the bottom quarter on density and about 97% of residents are non-Hispanic white, about 15 points above the Utah average of 81%. A high family-household share predicts Republican voting, and about 86% of households in 84620 are family households, above 98% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 84620, UT sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 84620 looks the way it does
Homeowners vote more often than renters. About 94% of households in 84620 own their home, about 15 points above the Utah average of 78%. High high-school completion lines up with higher turnout, and about 96% of adults in 84620 have completed high school, above 85% 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.