South Salt Lake, UT Political Map | Democrat & Republican Areas in South Salt Lake

By the BestNeighborhood data science team. Last updated May 2026.

South Salt Lake leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.

 

About 44% of adults in South Salt Lake typically vote, below the U.S. average of about 62%. Among adults in South Salt Lake, ~30% vote Democratic, ~14% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.

How South Salt Lake compares

Among cities within 25 miles, South Salt Lake leans more Democratic than 49 of 51 neighbors.

South Salt Lake runs about 59 points more Democratic than Utah as a whole. Utah leans Republican overall, while South Salt Lake is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within South Salt Lake. The north side is the most Democratic-leaning (D+52) and the south side is the least Democratic-leaning (D+27), a spread of about 26 points.

Why South Salt Lake 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 South Salt Lake, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in South Salt Lake live in densely developed areas, about 63 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and South Salt Lake sits in the top quarter (about 36%, above 83% of cities). South Salt Lake 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; South Salt Lake, 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 South Salt Lake looks the way it does

Areas with limited routine healthcare access turn out at lower rates. South Salt Lake is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 62% of households in South Salt Lake rent, compared to around 28% in nearby cities. High food insecurity lines up with lower turnout, and about 20% of adults in South Salt Lake report food insecurity, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.

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.