84305 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 65% of adults in 84305 typically vote, near the U.S. average of about 62%. Among adults in 84305, ~10% vote Democratic, ~55% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 84305 compares
Among zip codes within 15 miles, 84305 leans more Republican than 4 of 19 neighbors.
84305 runs about 46 points more Republican than Utah as a whole.
Why 84305 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 84305, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 84305 sits in the bottom quarter on density and more than 99% of residents are non-Hispanic white, about 18 points above the Utah average of 81%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 84305, UT sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 84305 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 84305 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in 84305 own their home, about 20 points above the U.S. average of 75%. 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.