84085 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 57% of adults in 84085 typically vote, near the U.S. average of about 62%. Among adults in 84085, ~15% vote Democratic, ~42% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 84085 compares
Among zip codes within 15 miles, 84085 leans more Republican than 2 of 5 neighbors.
84085 runs about 27 points more Republican than Utah as a whole.
Politics vary noticeably by block within 84085. The northeast side is the most Republican-leaning (R+78) and the east side is the least Republican-leaning (R+48), a spread of about 30 points.
Why 84085 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 84085, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in 84085 live in densely developed areas, about 30 points below the Utah average of 32%. A high family-household share predicts Republican voting, and about 79% of households in 84085 are family households, above 90% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 84085, UT sits in the bottom quarter nationally on this measure.
Why turnout in 84085 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 84085 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 23% of adults in 84085 report food insecurity, above 85% of zip codes. High-crime urban areas turn out at lower rates, and 84085 sits in the top 15% on a violent-crime measure. 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.