Northlake leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 49% of adults in Northlake typically vote, below the U.S. average of about 62%. Among adults in Northlake, ~28% vote Democratic, ~21% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.
How Northlake compares
Among cities within 25 miles, Northlake leans more Democratic than 98 of 167 neighbors.
Northlake runs about 6 points more Democratic than Illinois as a whole.
Politics vary noticeably by neighborhood within Northlake. The southwest side is the most Democratic-leaning (D+34) and the northeast side is the least Democratic-leaning (D+13), a spread of about 22 points.
Why Northlake 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 Northlake, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Northlake live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 38% of adults in Northlake have never been married, above 91% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Northlake, 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 Northlake looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Northlake is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 22%, about 13 points above the Illinois average of 8%. High food insecurity lines up with lower turnout, and about 24% of adults in Northlake report food insecurity, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Stone Park, IL D+23
- Melrose Park, IL D+22
- Berkeley, IL D+44
- Franklin Park, IL D+6
- Bellwood, IL D+78
- Elmhurst, IL D+18
- Hillside, IL D+53
- River Grove, IL R+4
- Schiller Park, IL R+13
- Bensenville, IL D+8
Cities with Similar Populations
- North Bend, OR R+5
- West Milford, NJ R+24
- Crestwood, MO D+19
- Mitchellville, MD D+83
- Pella, IA R+25
- Cedar Grove, NJ R+7
- St. Marys, PA R+42
- Prairie Ridge, WA R+17
- Burnet, TX R+60
- Prunedale, CA 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.