84134 leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 28% of adults in 84134 typically vote, below the U.S. average of about 62%. Among adults in 84134, ~18% vote Democratic, ~10% Republican, and ~72% don't vote. The map below shows estimated turnout by block group.
How 84134 compares
Among zip codes within 15 miles, 84134 leans more Democratic than 23 of 38 neighbors.
84134 runs about 51 points more Democratic than Utah as a whole. Utah leans Republican overall, while 84134 is one of the few Democratic-leaning pockets.
Why 84134 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 84134, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 84134 live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 66% of adults in 84134 have never been married, in the top fraction of zip codes. 84134 runs against the grain of Utah, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 84134, UT sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 84134 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 84134 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 21%, about 10 points above the Utah average of 10%. Renters vote less often than owners, and more than 99% of households in 84134 rent, compared to around 55% in nearby zip codes. High food insecurity lines up with lower turnout, and about 23% of adults in 84134 report food insecurity, above 86% 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.