St. Johns leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 81% of adults in St. Johns typically vote, above the U.S. average of about 62%. Among adults in St. Johns, ~22% vote Democratic, ~59% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How St. Johns compares
Among cities within 25 miles, St. Johns is the least Republican-leaning.
St. Johns runs about 40 points more Republican than Arizona as a whole.
Politics vary noticeably by neighborhood within St. Johns. The northwest side is the most Republican-leaning (R+57) and the south side is the least Republican-leaning (R+43), a spread of about 14 points.
Why St. Johns 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 St. Johns, not a ranked or complete list of what matters most.
St. Johns votes Republican even though it is densely developed (about 36%, above 83% of cities). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 83% of households in St. Johns are family households, above 94% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; St. Johns, AZ sits in the top quarter 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 St. Johns looks the way it does
Homeowners vote more often than renters. About 96% of households in St. Johns own their home, about 23 points above the Arizona average of 73%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Salado, AZ R+56
- Hunt, AZ R+47
- Concho, AZ R+48
- Springerville, AZ R+48
- Vernon, AZ R+17
- Eagar, AZ R+39
- Greer, AZ R+54
- Red Hill, NM R+51
- Woodruff, AZ R+55
Cities with Similar Populations
- Elizabeth, IN R+55
- Scottville, MI R+31
- River Falls, AL R+78
- Gibson City, IL R+35
- Fennimore, WI R+30
- Burlington, CO R+59
- Sublimity, OR R+31
- Memphis, MI R+51
- Granite Quarry, NC R+45
- Mayo, FL R+66
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Sources and methodology
Precinct-level voting records used to fit the model come from Arizona Secretary of State, 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.