Pembroke Township is a Democratic stronghold. About 81% of voters here vote Democratic and 19% Republican.
About 67% of adults in Pembroke Township typically vote, near the U.S. average of about 62%. Among adults in Pembroke Township, ~54% vote Democratic, ~13% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Pembroke Township compares
Among cities within 25 miles, Pembroke Township leans more Democratic than 67 of 68 neighbors.
Pembroke Township runs about 51 points more Democratic than Illinois as a whole.
Politics vary noticeably by neighborhood within Pembroke Township. The south side is the most Democratic-leaning (D+68) and the southeast side is the least Democratic-leaning (D+53), a spread of about 16 points.
Why Pembroke Township 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 Pembroke Township, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 45% of adults in Pembroke Township have never been married, modestly above similar-sized cities (around 31%).
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Pembroke Township, 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 Pembroke Township looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Pembroke Township 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
- Hopkins Park, IL D+69
- Shadow Lawn, IL R+16
- Wichert, IL R+45
- Momence, IL R+25
- St. Anne, IL R+36
- Leesville, IL R+49
- Beaverville, IL R+50
- Sun River Terrace, IL Even
Cities with Similar Populations
- Bland, MO R+66
- Casa Blanca, NM D+58
- Sunbury, NC R+27
- Floodwood, MN R+29
- Ivey, GA R+61
- Wolfeboro Falls, NH Even
- Loire, TX R+23
- West Milton, VT R+5
- Sallis, MS Even
- Dahinda, IL R+36
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.