Iron County is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 73% of adults in Iron County typically vote, above the U.S. average of about 62%. Among adults in Iron County, ~17% vote Democratic, ~56% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Iron County compares
Iron County sits in a sparsely populated area with few comparable counties nearby.
Iron County runs about 31 points more Republican than Utah as a whole.
Politics vary noticeably by city within Iron County. The northwest side is the most Republican-leaning (R+78) and the southeast side is the least Republican-leaning (R+30), a spread of about 48 points.
Why Iron County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Iron County, not a ranked or complete list of what matters most.
Iron County votes Republican even though it is densely developed (about 49%, well 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 70% of households in Iron County are family households, above 81% of counties.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Iron County, UT sits in the top quarter nationally on this measure.
Why turnout in Iron County looks the way it does
Turnout in Iron County 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 Counties
- Beaver County, UT R+69
- Washington County, UT R+51
- Garfield County, UT R+63
- Kane County, UT R+59
- Piute County, UT R+78
- Lincoln County, NV R+66
- Sevier County, UT R+70
- Wayne County, UT R+64
- Millard County, UT R+69
- Sanpete County, UT R+63
Counties with Similar Populations
- Colbert County, AL R+46
- Vermilion Parish, LA R+55
- Scott County, KY R+29
- Putnam County, WV R+46
- Gordon County, GA R+60
- Acadia Parish, LA R+54
- Box Elder County, UT R+56
- Jefferson County, WV R+22
- Windsor County, VT D+17
- Oxford County, ME R+25
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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.