84037 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 92% of adults in 84037 typically vote, above the U.S. average of about 62%. Among adults in 84037, ~30% vote Democratic, ~61% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How 84037 compares
Among zip codes within 15 miles, 84037 leans more Republican than 14 of 17 neighbors.
84037 runs about 12 points more Republican than Utah as a whole.
Politics vary noticeably by block within 84037. The southwest side is the most Republican-leaning (R+47) and the northwest side is the least Republican-leaning (R+26), a spread of about 21 points.
Why 84037 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 84037, not a ranked or complete list of what matters most.
84037 votes Republican even though it is densely developed (about 80%, far above the Utah average of 32%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 86% of households in 84037 are family households, above 98% of zip codes.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 84037, UT sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 84037 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 84037 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 90% of households in 84037 own their home, above 87% of zip codes. High high-school completion lines up with higher turnout, and about 98% of adults in 84037 have completed high school, above 93% 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.