Piper City leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 83% of adults in Piper City typically vote, above the U.S. average of about 62%. Among adults in Piper City, ~26% vote Democratic, ~57% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Piper City compares
Among cities within 25 miles, Piper City leans more Republican than 6 of 57 neighbors.
Piper City runs about 50 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Piper City is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Piper City. The southwest side is the most Republican-leaning (R+58) and the north side is the least Republican-leaning (R+45), a spread of about 14 points.
Why Piper City 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 Piper City, not a ranked or complete list of what matters most.
Piper City votes against the grain of Illinois. Illinois leans Democratic overall, while Piper City runs about 50 points more Republican. Dense places usually vote Democratic, but Piper City runs against that pattern. Low college attainment predicts Republican voting, and Piper City sits in the bottom quarter (about 11%, below 89% of cities).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Piper City, IL sits in the top quarter nationally on this measure.
Why turnout in Piper City looks the way it does
Turnout in Piper City 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
- Chatsworth, IL R+58
- Ridgeville, IL R+53
- Thawville, IL R+53
- Roberts, IL R+58
- Cullom, IL R+48
- La Hogue, IL R+54
- Onarga, IL R+32
- Gilman, IL R+50
- Kempton, IL R+58
- Forrest, IL R+47
Cities with Similar Populations
- Goretown, SC R+10
- New Hope, WV R+58
- Clyde, KS R+64
- Jerome, AZ R+31
- Cataldo, ID R+53
- Cunningham, KY R+74
- Roanoke, LA R+67
- Loudon Center, NH R+17
- Rover, GA R+72
- Sharon Springs, KS R+81
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.