Beach Park leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 64% of adults in Beach Park typically vote, near the U.S. average of about 62%. Among adults in Beach Park, ~38% vote Democratic, ~26% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Beach Park compares
Among cities within 25 miles, Beach Park leans more Democratic than 72 of 106 neighbors.
Beach Park runs about 7 points more Democratic than Illinois as a whole.
Politics vary noticeably by neighborhood within Beach Park. The northwest side is the most Democratic-leaning (D+26) and the east side is the least Democratic-leaning (D+9), a spread of about 17 points.
Why Beach Park 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 Beach Park, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 71% of residents in Beach Park live in densely developed areas, about 34 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 33% of adults in Beach Park have never been married, above 83% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Beach Park, IL sits in the top tenth nationally on this measure.
Why turnout in Beach Park looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Beach Park 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 Cities
- Zion, IL D+38
- Wadsworth, IL D+4
- Waukegan, IL D+39
- Winthrop Harbor, IL R+3
- Park City, IL D+28
- Rosecrans, IL R+4
- Gurnee, IL D+22
- North Chicago, IL D+60
- Old Mill Creek, IL D+6
Cities with Similar Populations
- Hudson, NY D+19
- Clinton, MA D+12
- Coto de Caza, CA R+16
- Browns Mills, NJ Even
- North Chicago, IL D+60
- Lamont, CA D+15
- Corning, CA R+31
- Duxbury, MA D+16
- Ellenton, FL R+19
- Orange Park, FL R+23
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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.