Shabbona Grove leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 67% of adults in Shabbona Grove typically vote, near the U.S. average of about 62%. Among adults in Shabbona Grove, ~18% vote Democratic, ~49% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Shabbona Grove compares
Among cities within 25 miles, Shabbona Grove is the most Republican-leaning.
Shabbona Grove runs about 56 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Shabbona Grove is one of the few Republican-leaning pockets.
Why Shabbona 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 Shabbona Grove, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in Shabbona Grove drive to work alone, about 16 points above the U.S. average of 74%. Shabbona Grove runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Republican lean
Places with low population density tend to lean Republican; Shabbona Grove, IL sits below the national average on this measure.
Why turnout in Shabbona Grove looks the way it does
Turnout in Shabbona 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
- Earlville, IL R+38
- Rollo, IL R+42
- Leland, IL R+41
- Paw Paw, IL R+35
- Meriden, IL R+40
- Harding, IL R+43
- Triumph, IL R+40
- Prairie Center, IL R+36
- Mendota, IL R+19
- Compton, IL R+39
Cities with Similar Populations
- Roseland, KS R+53
- Soperton, WI R+36
- Hardwood, MI R+41
- Elkhorn, WV R+15
- Horace, IL R+62
- Altonah, UT R+83
- Kearsarge, NH Even
- Trimble, IL R+53
- Brooksville, OK R+63
- Sedan, NM R+70
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.