84112 leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 34% of adults in 84112 typically vote, below the U.S. average of about 62%. Among adults in 84112, ~23% vote Democratic, ~11% Republican, and ~66% don't vote. The map below shows estimated turnout by block group.
How 84112 compares
Among zip codes within 15 miles, 84112 leans more Democratic than 27 of 38 neighbors.
84112 runs about 56 points more Democratic than Utah as a whole. Utah leans Republican overall, while 84112 is one of the few Democratic-leaning pockets.
Why 84112 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 84112, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 84112 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 84112 sits in the top quarter (about 55%, above 92% of zip codes). 84112 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; 84112, 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 84112 looks the way it does
Renters vote less often than owners. More than 99% of households in 84112 rent, about 75 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and 84112 sits in the bottom quarter on routine-care measures. Low high-school completion lines up with lower turnout, and more than 99% of adults in 84112 have completed high school, in the top fraction 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.