84309 is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 77% of adults in 84309 typically vote, above the U.S. average of about 62%. Among adults in 84309, ~11% vote Democratic, ~66% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 84309 compares
Among zip codes within 15 miles, 84309 leans more Republican than 14 of 20 neighbors.
84309 runs about 50 points more Republican than Utah as a whole.
Why 84309 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 84309, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 89% of households in 84309 are family households, about 23 points above the U.S. average of 67%.
Population density and Republican lean
Places with low population density tend to lean Republican; 84309, UT sits below the national average on this measure.
Why turnout in 84309 looks the way it does
Homeowners vote more often than renters. About 90% of households in 84309 own their home, about 11 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.