Mount Auburn is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 73% of adults in Mount Auburn typically vote, above the U.S. average of about 62%. Among adults in Mount Auburn, ~16% vote Democratic, ~57% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Mount Auburn compares
Among cities within 25 miles, Mount Auburn leans more Republican than 54 of 67 neighbors.
Mount Auburn runs about 67 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Mount Auburn is one of the few Republican-leaning pockets.
Why Mount Auburn 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 Mount Auburn, not a ranked or complete list of what matters most.
Mount Auburn votes against the grain of Illinois. Illinois leans Democratic overall, while Mount Auburn runs about 67 points more Republican.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Mount Auburn, IL does.
Why turnout in Mount Auburn looks the way it does
Homeowners vote more often than renters. About 91% of households in Mount Auburn own their home, about 12 points above the Illinois average of 80%. High high-school completion lines up with higher turnout, and about 96% of adults in Mount Auburn have completed high school, above 84% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Osbernville, IL R+57
- Illiopolis, IL R+44
- Grove City, IL R+59
- Lanesville, IL R+50
- Mechanicsburg, IL R+49
- Niantic, IL R+51
- Blue Mound, IL R+57
- Roby, IL R+44
- Buffalo, IL R+50
- Stonington, IL R+49
Cities with Similar Populations
- Harrisburg, OH R+49
- Philbrook, MN R+53
- Neely, MS R+90
- Avon, AL R+66
- Oconee, GA R+18
- Walnut Hill, IL R+59
- Lake Angelus, MI R+19
- Koshkonong, WI R+26
- Gravel Hill, MO R+72
- Sumerco, WV R+61
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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.