84051 is a Republican stronghold. About 8% of voters here vote Democratic and 92% Republican.
About 82% of adults in 84051 typically vote, above the U.S. average of about 62%. Among adults in 84051, ~7% vote Democratic, ~76% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How 84051 compares
Among zip codes within 15 miles, 84051 leans more Republican than 1 of 5 neighbors.
84051 runs about 63 points more Republican than Utah as a whole.
Politics vary noticeably by block within 84051. The west side is the most Republican-leaning (R+85) and the north side is the least Republican-leaning (R+61), a spread of about 24 points.
Why 84051 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 84051, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in 84051 live in densely developed areas, about 29 points below the Utah average of 32%. A high family-household share predicts Republican voting, and about 83% of households in 84051 are family households, above 95% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 84051, UT sits in the bottom tenth nationally on this measure.
Why turnout in 84051 looks the way it does
Homeowners vote more often than renters. About 90% of households in 84051 own their home, about 12 points above the Utah average of 78%. 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.