Summit is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 58% of adults in Summit typically vote, near the U.S. average of about 62%. Among adults in Summit, ~9% vote Democratic, ~49% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Summit compares
Among cities within 25 miles, Summit leans more Republican than 7 of 8 neighbors.
Summit runs about 47 points more Republican than Utah as a whole.
Politics vary noticeably by neighborhood within Summit. The southwest side is the most Republican-leaning (R+76) and the southeast side is the least Republican-leaning (R+57), a spread of about 18 points.
Why Summit 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 Summit, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in Summit live in densely developed areas, about 29 points below the Utah average of 32%.
Population density and Republican lean
Places with low population density tend to lean Republican; Summit, UT sits below the national average on this measure.
Why turnout in Summit looks the way it does
Turnout in Summit sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Enoch, UT R+68
- Parowan, UT R+67
- Cedar City, UT R+47
- Brian Head, UT R+57
- Pintura, UT R+52
- Paragonah, UT R+73
- Lund, UT R+61
- Kanarraville, UT R+68
- Duck Creek Village, UT R+52
- New Harmony, UT R+68
Cities with Similar Populations
- Eckert, CO R+43
- Wells, MI R+23
- Madison, CA R+6
- Rockvale, CO R+53
- Winterpock, VA R+16
- Lenapah, OK R+68
- Matamoras, OH R+61
- Alakanuk, AK D+21
- Enoch, TX R+74
- Hell, MI R+10
All Local Stats
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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.