Fair Haven leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 53% of adults in Fair Haven typically vote, below the U.S. average of about 62%. Among adults in Fair Haven, ~17% vote Democratic, ~36% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How Fair Haven compares
Among cities within 25 miles, Fair Haven leans more Republican than 22 of 60 neighbors.
Fair Haven runs about 48 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Fair Haven is one of the few Republican-leaning pockets.
Why Fair Haven 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 Fair Haven, not a ranked or complete list of what matters most.
Fair Haven votes against the grain of Illinois. Illinois leans Democratic overall, while Fair Haven runs about 48 points more Republican.
High-school completion and voter turnout
Places with low high-school-completion share tend to turn out at a lower rate; Fair Haven, IL sits in the bottom quarter nationally on this measure.
Why turnout in Fair Haven looks the way it does
Areas with low high-school completion turn out at lower rates. About 82% of adults in Fair Haven have completed high school, about 7 points below the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Chadwick, IL R+42
- Daggett, IL R+37
- Union Grove, IL R+37
- Thomson, IL R+38
- Coleta, IL R+38
- Morrison, IL R+31
- Wacker, IL R+34
- Milledgeville, IL R+44
- Round Grove, IL R+37
- Fulton, IL R+27
Cities with Similar Populations
- Shelby Gap, KY R+70
- Brookfield Center, VT D+18
- Schubert, MO R+65
- Ophir, OR Even
- Littlefield, AZ R+59
- Middle Ridge, WI R+24
- Pownal Center, VT R+8
- Snyderville, NY R+4
- Duan, NC R+44
- Greilickville, MI Even
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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.