Streator leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 70% of adults in Streator typically vote, above the U.S. average of about 62%. Among adults in Streator, ~27% vote Democratic, ~43% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Streator compares
Among cities within 25 miles, Streator leans more Republican than 8 of 64 neighbors.
Streator runs about 32 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Streator is one of the few Republican-leaning pockets.
Why Streator 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 Streator, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 87% of residents in Streator drive to work alone, about 13 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and Streator sits in the bottom quarter (about 13%, below 85% of cities). Streator runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Streator, IL sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Streator looks the way it does
Turnout in Streator 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
- South Streator, IL R+42
- Kangley, IL R+35
- Reading, IL R+52
- Kernan, IL R+41
- Ancona, IL R+53
- Grand Ridge, IL R+42
- Leonore, IL R+44
- Blackstone, IL R+52
- Cornell, IL R+55
Cities with Similar Populations
- Hollins, VA R+16
- Linden, MI R+23
- Chaparral, NM R+9
- Bordentown, NJ D+14
- Badger, AK R+25
- Lowell, IN R+39
- Wilmington, OH R+41
- Hazlet, NJ R+26
- Calera, AL R+19
- Dandridge, TN R+60
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.