Montclare leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 50% of adults in Montclare typically vote, below the U.S. average of about 62%. Among adults in Montclare, ~31% vote Democratic, ~19% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How Montclare compares
Among neighborhoods within 5 miles, Montclare leans more Democratic than 6 of 31 neighbors.
Montclare runs about 10 points more Democratic than Illinois as a whole.
Politics vary noticeably by block within Montclare. The southeast side is the most Democratic-leaning (D+31) and the north side is the least Democratic-leaning (D+11), a spread of about 20 points.
Why Montclare leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Montclare, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Montclare live in densely developed areas, about 64 points above the U.S. average of 36%.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Montclare, Elmwood Park, IL sits in the top tenth nationally on this measure.
Why turnout in Montclare looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Montclare is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
Neighborhoods with Similar Populations
- Castro-Upper Market, San Francisco, CA D+82
- Northwest Corpus Christi, Corpus Christi, TX R+21
- Pine Grove, Chicago, IL D+71
- Garrison Park, Austin, TX D+50
- Spring Garden, Philadelphia, PA D+71
- Sellwood-Moreland, Portland, OR D+77
- Mid-City, New Orleans, LA D+60
- Eastside Lansing, Lansing, MI D+45
- Stanton Park, Washington, DC D+84
- Mercury Central, Hampton, VA D+47
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.