84124 leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 82% of adults in 84124 typically vote, above the U.S. average of about 62%. Among adults in 84124, ~53% vote Democratic, ~29% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How 84124 compares
Among zip codes within 15 miles, 84124 leans more Democratic than 25 of 42 neighbors.
84124 runs about 51 points more Democratic than Utah as a whole. Utah leans Republican overall, while 84124 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 84124. The southeast side is the most Democratic-leaning (D+38) and the south side is the least Democratic-leaning (D+25), a spread of about 13 points.
Why 84124 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 84124, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 60% of adults in 84124 hold a bachelor's degree, about 31 points above the U.S. average of 28%. Dense areas vote Democratic, and 84124 sits in the top fifth on density (about 91%, above 89% of zip codes). 84124 runs against the grain of Utah, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 84124, UT sits in the top tenth 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 84124 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 84124 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%. High high-school completion lines up with higher turnout, and about 98% of adults in 84124 have completed high school, above 96% 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.