Most Dangerous ZIP Codes
in Illinois — Ranked
Every Illinois ZIP code graded A through F on crime rate, violent incidents, and year-over-year trend. Search your ZIP to see exactly how safe it is.
56 Illinois ZIP codes ranked
Methodology: Safety scores (0–100) are composite indexes based on FBI UCR data, Illinois State Police annual reports, Chicago Police Department CLEAR data, and local police department statistics. Violent crime rate is weighted 50%, property crime rate 30%, and year-over-year trend 20%. ZIP code boundaries follow USPS designations. Data reflects 2025 full-year statistics with 2026 YTD updates. IllinoisCrime.com is an independent public safety media platform and does not represent any law enforcement agency.
Illinois Most Dangerous ZIP Codes 2026 — Full Data Sheet
Top 50 Highest-Risk ZIPs with Crime Scores & Trends — 8 pages, PDF