Armour Square leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 36% of adults in Armour Square typically vote, below the U.S. average of about 62%. Among adults in Armour Square, ~21% vote Democratic, ~15% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.
How Armour Square compares
Among neighborhoods within 5 miles, Armour Square leans more Democratic than 1 of 39 neighbors.
Armour Square runs about 6 points more Democratic than Illinois as a whole.
Politics vary noticeably by block within Armour Square. The southeast side is the most Democratic-leaning (D+39) and the south side is the least Democratic-leaning (D+3), a spread of about 36 points.
Why Armour Square 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 Armour Square, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Armour Square live in densely developed areas, about 64 points above the U.S. average of 36%.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Armour Square, Chicago, IL sits in the top tenth nationally on this measure.
Why turnout in Armour Square looks the way it does
Areas with high food insecurity turn out at lower rates. About 32% of adults in Armour Square report food insecurity, about 15 points above the U.S. average of 16%. Renters vote less often than owners, and about 63% of households in Armour Square rent, about 39 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and about 72% of adults in Armour Square have completed high school, below 93% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Bridgeport, Chicago, IL D+27
- Douglas, Chicago, IL D+79
- Bronzeville, Chicago, IL D+76
- Near South Side, Chicago, IL D+70
- Locks, Chicago, IL D+30
- Pilsen, Chicago, IL D+62
- Printers Row, Chicago, IL D+69
- Lower West Side, Chicago, IL D+58
- Mount Pleasant, Chicago, IL D+28
- University Village, Chicago, IL D+67
Neighborhoods with Similar Populations
- Spanos Park, Stockton, CA D+6
- Highlandtown, Baltimore, MD D+55
- Point Place, Toledo, OH R+4
- New Downtown, Los Angeles, CA D+54
- Juanita, Kirkland, WA D+44
- Hyde Park, Cincinnati, OH D+38
- Cypress Park, Los Angeles, CA D+51
- U Street Corridor, Washington, DC D+80
- Riviera, Santa Barbara, CA D+49
- West Colorado Springs, Colorado Springs, CO D+14
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.