2 county-level rules, plus city-specific rules for 1 city in DuPage County, Illinois.
Verified from official government sources
DuPage County prohibits loud and raucous noise — particularly amplified sound — in unincorporated areas under Chapter 26, Article IV, Section 26-10-15 of the County Code, as amended by ordinance JPS-O-0001-25 (adopted April 22, 2025). The 2025 amendment gave law enforcement a citation option for late-night amplified parties after the prior ordinance only addressed industrial-type noise.
DuPage County Animal Services enforces animal-related ordinances under Chapter 5 of the County Code of Ordinances in unincorporated areas. State authority for the county to regulate barking dogs and other noisy animals comes from 55 ILCS 5/5-1071.2, which applies to Illinois counties of 750,000–3,000,000 (DuPage, Cook, Kane, Lake, Will) and authorizes fines of $25–$200 per violation, with farm animals and licensed commercial kennels exempt.
1 cities in DuPage County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
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DuPage County Ordinance Hub →