Grand Ridge leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 80% of adults in Grand Ridge typically vote, above the U.S. average of about 62%. Among adults in Grand Ridge, ~23% vote Democratic, ~57% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Grand Ridge compares
Among cities within 25 miles, Grand Ridge leans more Republican than 41 of 63 neighbors.
Grand Ridge runs about 53 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Grand Ridge is one of the few Republican-leaning pockets.
Why Grand Ridge 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 Grand Ridge, not a ranked or complete list of what matters most.
Grand Ridge votes against the grain of Illinois. Illinois leans Democratic overall, while Grand Ridge runs about 53 points more Republican. Car-dependent areas vote Republican, and about 88% of residents in Grand Ridge drive to work alone, above 89% of cities. A high family-household share predicts Republican voting, and about 81% of households in Grand Ridge are family households, above 92% of cities.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Grand Ridge, IL sits in the bottom quarter nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Grand Ridge looks the way it does
Turnout in Grand Ridge 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
- Woodland Addition, IL R+34
- Kangley, IL R+35
- Kernan, IL R+41
- Ottawa, IL R+11
- Streator, IL R+21
- Naplate, IL R+26
- South Streator, IL R+42
- Leonore, IL R+44
- Marseilles, IL R+26
Cities with Similar Populations
- Dobbersville, NC R+58
- Stratton, CO R+71
- Dearing, KS R+63
- Hazelwood, IN R+56
- West Selmont, AL D+33
- Lyons, IN R+54
- Bonnots Mill, MO R+69
- Oden, AR R+63
- Melmore, OH R+44
- Pleasant Grove, VA R+26
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.