Sheldons Grove is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 72% of adults in Sheldons Grove typically vote, above the U.S. average of about 62%. Among adults in Sheldons Grove, ~16% vote Democratic, ~56% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Sheldons Grove compares
Among cities within 25 miles, Sheldons Grove leans more Republican than 36 of 50 neighbors.
Sheldons Grove runs about 67 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Sheldons Grove is one of the few Republican-leaning pockets.
Why Sheldons Grove 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 Sheldons Grove, not a ranked or complete list of what matters most.
Sheldons Grove votes against the grain of Illinois. Illinois leans Democratic overall, while Sheldons Grove runs about 67 points more Republican. Rural areas vote Republican, and Sheldons Grove sits in the bottom quarter on density (about 4%, below 83% of cities). Low college attainment predicts Republican voting, and Sheldons Grove sits in the bottom quarter (about 12%, below 86% of cities).
Population density and Republican lean
Places with low population density tend to lean Republican; Sheldons Grove, IL sits in the bottom quarter nationally on this measure.
Why turnout in Sheldons Grove looks the way it does
Turnout in Sheldons Grove 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
- Bluff City, IL R+59
- Browning, IL R+55
- Snicarte, IL R+55
- Astoria, IL R+57
- Summum, IL R+59
- Bath, IL R+56
- Enion, IL R+58
- Chandlerville, IL R+56
- Frederick, IL R+51
- Matanzas Beach, IL R+56
Cities with Similar Populations
- Zingara, GA R+41
- Dedham, ME R+14
- Toeterville, IA R+42
- Sandy Valley, PA R+62
- Duke, MO R+61
- Donaldson, WV R+72
- South Carver, MA R+5
- Mountain Grove, PA R+50
- Oatman, AZ R+38
- Novohrad, TX R+71
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.