Brighton Park leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 33% of adults in Brighton Park typically vote, below the U.S. average of about 62%. Among adults in Brighton Park, ~22% vote Democratic, ~11% Republican, and ~67% don't vote. The map below shows estimated turnout by block group.
How Brighton Park compares
Among neighborhoods within 5 miles, Brighton Park leans more Democratic than 11 of 41 neighbors.
Brighton Park runs about 21 points more Democratic than Illinois as a whole.
Why Brighton Park 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 Brighton Park, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Brighton Park 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 46% of adults in Brighton Park have never been married, above 75% of neighborhoods.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Brighton Park, Chicago, IL sits in the bottom 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 Brighton Park looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Brighton Park is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 46%, about 17 points below the Illinois average of 63%. High food insecurity lines up with lower turnout, and about 37% of adults in Brighton Park report food insecurity, above 90% of neighborhoods. Low high-school completion lines up with lower turnout, and about 68% of adults in Brighton Park have completed high school, below 95% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Corwith, Chicago, IL D+30
- Ducktown, Chicago, IL D+35
- Gage Park, Chicago, IL D+39
- Back of the Yards, Chicago, IL D+46
- Garfield Manor, Chicago, IL D+38
- Mount Pleasant, Chicago, IL D+28
- Archer Heights, Chicago, IL D+28
- New City, Chicago, IL D+54
- South Lawndale, Chicago, IL D+41
- West Elsdon, Chicago, IL D+28
Neighborhoods with Similar Populations
- East Side, Long Beach, CA D+52
- Seaport, Stockton, CA D+27
- Glendale, Queens, NY R+8
- South Shore, Chicago, IL D+83
- Charter Oak, Covina, CA D+9
- Bustleton, Philadelphia, PA R+3
- Oakland Gardens, Queens, NY Even
- University District, Seattle, WA D+67
- Central Southwest, Houston, TX D+51
- Clairemont Mesa, San Diego, CA D+24
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.