Inverness leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 89% of adults in Inverness typically vote, above the U.S. average of about 62%. Among adults in Inverness, ~47% vote Democratic, ~42% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How Inverness compares
Among cities within 25 miles, Inverness leans more Democratic than 79 of 182 neighbors.
Politically, Inverness sits close to the rest of Illinois.
Politics vary noticeably by neighborhood within Inverness. The southwest side runs the most Democratic (D+14) and the northeast side runs the most Republican (R+3), a spread of about 17 points.
Why Inverness 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 Inverness, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 66% of adults in Inverness hold a bachelor's degree, about 38 points above the U.S. average of 28%. Dense areas vote Democratic, and Inverness sits in the top fifth on density (about 90%, above 96% of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Inverness, IL sits in the top tenth 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 Inverness looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Inverness 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in Inverness own their home, about 17 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in Inverness have completed high school, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Palatine, IL D+19
- South Barrington, IL R+7
- Barrington, IL D+8
- Hoffman Estates, IL D+15
- Deer Park, IL D+9
- Rolling Meadows, IL D+14
- Kildeer, IL D+9
- Lake Zurich, IL D+10
- Schaumburg, IL D+13
- Barrington Hills, IL Even
Cities with Similar Populations
- Strathmore, NJ R+11
- Pine Ridge, FL R+44
- Baltimore Highlands, MD D+12
- Clarion, PA R+22
- Brigantine, NJ R+9
- Ridgeway, VA R+41
- Baywood, NY D+8
- Tijeras, NM R+11
- Steilacoom, WA D+29
- New Boston, TX R+20
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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.