St. Anne leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 83% of adults in St. Anne typically vote, above the U.S. average of about 62%. Among adults in St. Anne, ~27% vote Democratic, ~57% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How St. Anne compares
Among cities within 25 miles, St. Anne leans more Republican than 14 of 72 neighbors.
St. Anne runs about 47 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while St. Anne is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within St. Anne. The southwest side is the most Republican-leaning (R+55) and the north side is the least Republican-leaning (R+8), a spread of about 47 points.
Why St. Anne 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. Anne, not a ranked or complete list of what matters most.
St. Anne votes against the grain of Illinois. Illinois leans Democratic overall, while St. Anne runs about 47 points more Republican. Dense places usually vote Democratic, but St. Anne runs against that pattern.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; St. Anne, IL sits in the bottom quarter nationally on this measure.
Why turnout in St. Anne looks the way it does
Turnout in St. Anne 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 Cities
- Wichert, IL R+45
- Leesville, IL R+49
- Aroma Park, IL R+29
- Sun River Terrace, IL Even
- Papineau, IL R+51
- Hopkins Park, IL D+69
- Sammons Point, IL R+40
- Sugar Island, IL R+49
- Pembroke Township, IL D+62
- Kankakee, IL D+23
Cities with Similar Populations
- Yorktown, TX R+56
- Wallis, TX R+54
- Brookville, NY Even
- Millersport, OH R+44
- Lumber Bridge, NC R+11
- Lake City, GA D+46
- Millsap, TX R+79
- Star, NC R+53
- Centreville, MS D+27
- Upperco, MD R+29
Sources and methodology
Precinct-level voting records used to fit the model come from Illinois State Board of 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.