IROPO International Registry of Pet Offenders

State profile

Illinois

734 animal cruelty offenses were reported in Illinois in 2025, or 6.1 per 100,000 residents served by NIBRS agencies, the 35th highest rate of 49 comparable states.

All 931 agencies Top reporting agencies
734 offenses in 2025 236 cleared (32%)
6.1 per 100,000 residents 35th of 49 comparable states
95% NIBRS coverage Full-year reporting since 2021
183 agencies recorded a case of 638 agencies in the FBI's 2025 tables

Trend

Reported offenses over time

Lighter bars mark years when NIBRS agencies served less than 60% of residents.

Offenses per year

Monthly offenses

Monthly offenses reported in Illinois. Highest month: Jul 2025 (106).
Illinois by year
Year Offenses Per 100,000 Clearance rate Coverage Agencies in FBI tables Agencies with cases
2025 734 6.10 32% 94.7% 638 183
2024 610 5.09 25% 94.4% 650 179
2023 334 2.93 32% 90.9% 601 150
2022 251 2.62 29% 76.3% 423 95
2021 107 1.56 37% 54.0% 118 22
2020 3 0.60 0% 4.0% 1 1
2019 0 0.00 — 2.0% — —
2018 0 0.00 — 1.7% — —
2017 0 0.00 — 1.7% — —
2016 0 0.00 — 1.6% — —

Source FBI Uniform Crime Reporting Program, National Incident-Based Reporting System (NIBRS), via the Crime Data Explorer. Retrieved September 30, 2026. Methodology & downloads.

Agencies

Agencies reporting the most cases in 2025

Full agency directory
# Agency Type County 2025 2020–2025 Trend
1 Chicago Police Department ILCPD0000 City police Cook 247 441
2 DeKalb Police Department IL0190800 City police Dekalb 15 41
3 Joliet Police Department IL0990700 City police Kendall, Will 15 34
4 Peoria Police Department IL0720700 City police Peoria 14 31
5 Springfield Police Department IL0840200 City police Sangamon 13 47
6 Normal Police Department IL0570200 City police McLean 13 35
7 Bloomington Police Department IL0570100 City police McLean 10 16
8 Cook County Sheriff's Office IL0160000 County Cook 10 12
9 Decatur Police Department IL0580200 City police Macon 9 16
10 Rockford Police Department IL1010400 City police Ogle, Winnebago 8 41
11 Will County Sheriff's Office IL0990000 County Will 8 28
12 Belleville Police Department IL0820200 City police St Clair 8 22
13 Alton Police Department IL0600100 City police Madison 6 16
14 Lake County Sheriff's Office IL0490000 County Lake 6 6
15 Aurora Police Department IL0450100 City police Dupage, Kane, Kendall, Will 5 18

Source FBI NIBRS Tables: Offense Type by Agency, 2020–2025; ORIs from the FBI agency directory. Retrieved September 30, 2026. Methodology & downloads.

Official animal abuser registries

No statewide registry and 1 local registry.

IROPO links to these registries and does not copy their listings.

Agency directory

The FBI lists 925 law enforcement agencies in Illinois, 744 of which report through NIBRS.

Browse Illinois agencies