Herriman leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 71% of adults in Herriman typically vote, above the U.S. average of about 62%. Among adults in Herriman, ~26% vote Democratic, ~46% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Herriman compares
Among cities within 25 miles, Herriman leans more Republican than 19 of 44 neighbors.
Herriman runs about 6 points more Republican than Utah as a whole.
Politics vary noticeably by neighborhood within Herriman. The southwest side is the most Republican-leaning (R+43) and the east side is the least Republican-leaning (R+19), a spread of about 24 points.
Why Herriman leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Herriman, not a ranked or complete list of what matters most.
Herriman votes Republican even though it is densely developed (about 63%, 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 84% of households in Herriman are family households, above 96% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Herriman, 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 Herriman looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Herriman 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 72%, about 12 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Riverton, UT R+29
- South Jordan, UT R+14
- Bluffdale, UT R+40
- Copperton, UT R+33
- Bingham Canyon, UT R+13
- West Jordan, UT R+7
- Draper, UT R+12
- Sandy, UT D+4
- Kearns, UT D+3
- Lehi, UT R+37
Cities with Similar Populations
- Mason, OH R+9
- Waxahachie, TX R+30
- Wilson, NC D+26
- DeSoto, TX D+64
- Forney, TX R+9
- Mount Prospect, IL D+12
- Goshen, IN R+27
- Bensalem, PA D+3
- Lufkin, TX R+29
- Jackson, NJ R+33
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.