84078 is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 76% of adults in 84078 typically vote, above the U.S. average of about 62%. Among adults in 84078, ~11% vote Democratic, ~65% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 84078 compares
84078 sits in a sparsely populated area with few comparable zip codes nearby.
84078 runs about 48 points more Republican than Utah as a whole.
Why 84078 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 84078, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 75% of households in 84078 are family households, about 9 points above the U.S. average of 67%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 84078, UT sits above the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 84078 looks the way it does
Turnout in 84078 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.