North Mounds is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 56% of adults in North Mounds typically vote, below the U.S. average of about 62%. Among adults in North Mounds, ~28% vote Democratic, ~28% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How North Mounds compares
Among cities within 25 miles, North Mounds sits roughly in the middle of the political spectrum, with 69 neighbors leaning further in the place's direction and 5 leaning the other way.
North Mounds runs about 11 points more Republican than Illinois as a whole.
Politics vary noticeably by neighborhood within North Mounds. The north side runs the most Democratic (D+5) and the northeast side runs the most Republican (R+22), a spread of about 27 points.
Why North Mounds leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in North Mounds. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; North Mounds, IL sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in North Mounds looks the way it does
Areas with limited routine healthcare access turn out at lower rates. North Mounds is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 34% of households in North Mounds rent, above 89% of cities. High food insecurity lines up with lower turnout, and about 28% of adults in North Mounds report food insecurity, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Mounds, IL D+27
- Spencer Heights, IL D+22
- Villa Ridge, IL R+39
- Mound City, IL D+7
- Pulaski, IL R+22
- Olive Branch, IL Even
- Tamms, IL R+26
- Cairo, IL D+42
Cities with Similar Populations
- Annamoriah, WV R+66
- York, IL R+57
- Aylmer, ND R+57
- McPhersonville, SC R+8
- Gladstone, NM R+41
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.