Shanghai City leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 78% of adults in Shanghai City typically vote, above the U.S. average of about 62%. Among adults in Shanghai City, ~23% vote Democratic, ~55% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Shanghai City compares
Among cities within 25 miles, Shanghai City leans more Republican than 46 of 60 neighbors.
Shanghai City runs about 53 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Shanghai City is one of the few Republican-leaning pockets.
Why Shanghai 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 Shanghai City, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 97% of residents in Shanghai City drive to work alone, about 23 points above the U.S. average of 74%. Shanghai City runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Shanghai City, IL sits in the bottom 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 Shanghai City looks the way it does
Turnout in Shanghai 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
- Henderson Grove, IL R+32
- Gerlaw, IL R+46
- Alexis, IL R+38
- North Henderson, IL R+31
- Henderson, IL R+34
- Rio, IL R+39
- Galesburg, IL D+4
- Cameron, IL R+44
- East Galesburg, IL R+16
- Wataga, IL R+30
Cities with Similar Populations
- Adams Basin, NY R+23
- Alpers, OK R+56
- Pinnell, AL D+24
- Hensel, ND R+53
- Rowden, TX R+78
- Crowley, OR R+29
- Tonawanda Indian Reservation, NY R+54
- Riceville, VA D+4
- Ivanhoe, GA R+62
- Newville, NY R+47
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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.