Washington County is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 74% of adults in Washington County typically vote, above the U.S. average of about 62%. Among adults in Washington County, ~19% vote Democratic, ~56% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Washington County compares
Washington County runs about 29 points more Republican than Utah as a whole.
Politics vary noticeably by city within Washington County. The southeast side is the most Republican-leaning (R+64) and the west side is the least Republican-leaning (R+42), a spread of about 22 points.
Why Washington 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 Washington County, not a ranked or complete list of what matters most.
Washington County votes Republican even though it is densely developed (about 51%, 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 76% of households in Washington County are family households, above 96% of counties.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Washington County, UT sits in the top tenth nationally on this measure.
Why turnout in Washington County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Washington County 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 70%, about 10 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 95% of adults in Washington County have completed high school, above 90% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Iron County, UT R+53
- Kane County, UT R+59
- Lincoln County, NV R+66
- Garfield County, UT R+63
- Beaver County, UT R+69
- Piute County, UT R+78
- Clark County, NV D+12
- Sevier County, UT R+70
- Wayne County, UT R+64
- Mohave County, AZ R+37
Counties with Similar Populations
- Vanderburgh County, IN R+9
- Johnson County, TX R+50
- Kanawha County, WV R+19
- Imperial County, CA Even
- Shawnee County, KS D+4
- Peoria County, IL D+14
- Kent County, DE D+5
- Ulster County, NY D+16
- Licking County, OH R+29
- Shasta County, CA R+30
All Local Stats
Home Services
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.