84310 leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 73% of adults in 84310 typically vote, above the U.S. average of about 62%. Among adults in 84310, ~23% vote Democratic, ~50% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 84310 compares
Among zip codes within 15 miles, 84310 leans more Republican than 7 of 9 neighbors.
84310 runs about 15 points more Republican than Utah as a whole.
Politics vary noticeably by block within 84310. The north side is the most Republican-leaning (R+44) and the southwest side is the least Republican-leaning (R+27), a spread of about 17 points.
Why 84310 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 84310, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 86% of households in 84310 are family households, about 19 points above the U.S. average of 67%.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as 84310, UT does.
Why turnout in 84310 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 84310 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in 84310 own their home, about 16 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 99% of adults in 84310 have completed high school, above 98% of zip codes. 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.