South Jordan, UT Political Map | Democrat & Republican Areas in South Jordan

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

South Jordan leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.

 

About 81% of adults in South Jordan typically vote, above the U.S. average of about 62%. Among adults in South Jordan, ~35% vote Democratic, ~46% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.

How South Jordan compares

Among cities within 25 miles, South Jordan leans more Republican than 20 of 47 neighbors.

South Jordan runs about 8 points more Democratic than Utah as a whole.

Politics vary noticeably by neighborhood within South Jordan. The southeast side is the most split-leaning (R+24) and the west side is the least split-leaning (Even), a spread of about 24 points.

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

South Jordan votes Republican even though it is densely developed (about 93%, 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 81% of households in South Jordan are family households, above 91% of cities.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; South Jordan, 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 South Jordan looks the way it does

Areas with strong routine healthcare access turn out at higher rates. South Jordan 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 74%, about 14 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in South Jordan have completed high school, above 91% 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.