Pine Grove is a Democratic stronghold. About 86% of voters here vote Democratic and 14% Republican.
About 57% of adults in Pine Grove typically vote, near the U.S. average of about 62%. Among adults in Pine Grove, ~49% vote Democratic, ~8% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How Pine Grove compares
Among neighborhoods within 5 miles, Pine Grove leans more Democratic than 27 of 35 neighbors.
Pine Grove runs about 61 points more Democratic than Illinois as a whole.
Politics vary noticeably by block within Pine Grove. The south side is the most Democratic-leaning (D+77) and the northeast side is the least Democratic-leaning (D+66), a spread of about 11 points.
Why Pine Grove 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 Pine Grove, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 75% of adults in Pine Grove hold a bachelor's degree, about 47 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 60% of adults in Pine Grove have never been married, above 93% of neighborhoods.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Pine Grove, Chicago, IL sits in the top tenth nationally on this measure.
Why turnout in Pine Grove looks the way it does
Strong routine healthcare access lines up with higher turnout, and Pine Grove sits in the top quarter on routine-care measures. 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
- Montclare, Elmwood Park, IL D+21
- Northwest Corpus Christi, Corpus Christi, TX R+21
- Spring Garden, Philadelphia, PA D+71
- Garrison Park, Austin, TX D+50
- Mercury Central, Hampton, VA D+47
- Los Altos, Long Beach, CA D+24
- Central, Fresno, CA D+30
- West Pullman, Chicago, IL D+82
- Fremont, Seattle, WA D+79
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.