Mount Erie is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 74% of adults in Mount Erie typically vote, above the U.S. average of about 62%. Among adults in Mount Erie, ~10% vote Democratic, ~64% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Mount Erie compares
Among cities within 25 miles, Mount Erie leans more Republican than 48 of 52 neighbors.
Mount Erie runs about 86 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Mount Erie is one of the few Republican-leaning pockets.
Why Mount Erie 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 Erie, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. Mount Erie sits in the bottom quarter on density and more than 99% of residents are non-Hispanic white, about 18 points above the Illinois average of 81%. Mount Erie runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Mount Erie, IL sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Mount Erie looks the way it does
Turnout in Mount Erie 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
- Toms Prairie, IL R+73
- Enterprise, IL R+75
- Wynoose, IL R+70
- Black, IL R+72
- Jeffersonville, IL R+73
- Merriam, IL R+73
- West Salem, IL R+71
- Cisne, IL R+70
- Ellery, IL R+70
- Fairfield, IL R+56
Cities with Similar Populations
- Wayside, MS R+75
- Mount Gilead, TN R+64
- East Boxford, MA D+5
- Mount Pleasant, WV R+41
- Shiloh, SC D+27
- Cherryville, MO R+67
- Mount Zion, WV R+63
- Plano, SD R+65
- North Victory, NY R+37
- Vista, MN R+50
All Local Stats
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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.