Trout Valley is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 79% of adults in Trout Valley typically vote, above the U.S. average of about 62%. Among adults in Trout Valley, ~39% vote Democratic, ~40% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Trout Valley compares
Among cities within 25 miles, Trout Valley sits roughly in the middle of the political spectrum, with 68 neighbors leaning further in the place's direction and 83 leaning the other way.
Trout Valley runs about 10 points more Republican than Illinois as a whole.
Why Trout Valley leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Trout Valley. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Trout Valley, IL sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Trout Valley looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Trout Valley is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cary, IL Even
- Fox River Grove, IL D+3
- Oakwood Hills, IL R+10
- Barrington Hills, IL Even
- Algonquin, IL Even
- Port Barrington, IL R+6
- Crystal Lake, IL D+3
- Lake Barrington, IL D+6
- Prairie Grove, IL R+10
- Carpentersville, IL D+17
Cities with Similar Populations
- Irwin, IA R+52
- Lander, PA R+53
- Brownfield, PA R+25
- Eola, OR R+19
- Kistler, PA R+66
- Meridian, CA R+49
- Sniders Crossroads, SC R+44
- Grygla, MN R+36
- Hardyville, VA R+24
- Highgate Springs, VT R+40
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.