Midlothian leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 58% of adults in Midlothian typically vote, near the U.S. average of about 62%. Among adults in Midlothian, ~32% vote Democratic, ~26% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Midlothian compares
Among cities within 25 miles, Midlothian leans more Democratic than 61 of 144 neighbors.
Politically, Midlothian sits close to the rest of Illinois.
Politics vary noticeably by neighborhood within Midlothian. The east side runs the most Democratic (D+29) and the northwest side runs the most Republican (R+6), a spread of about 35 points.
Why Midlothian 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 Midlothian, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in Midlothian live in densely developed areas, about 62 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 34% of adults in Midlothian have never been married, above 85% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Midlothian, IL sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Midlothian looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Midlothian is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 20% of adults in Midlothian report food insecurity, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Robbins, IL D+77
- Posen, IL D+33
- Crestwood, IL D+5
- Oak Forest, IL Even
- Markham, IL D+72
- Dixmoor, IL D+53
- Blue Island, IL D+46
- Alsip, IL D+17
- Harvey, IL D+68
- Hazel Crest, IL D+80
Cities with Similar Populations
- Cypress Lake, FL R+19
- Connellsville, PA R+38
- Union, SC R+17
- Millersburg, OH R+69
- McFarland, CA D+9
- Corydon, IN R+46
- Cloquet, MN R+4
- Dunkirk, NY Even
- Hawaiian Paradise Park, HI D+13
- Lafayette, TN R+67
All Local Stats
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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.