Piatt County, IL
Piatt County Map
The County of Piatt is located in the State of Illinois. Find directions to Piatt County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Piatt County population is estimated at 16,355 people. The Piatt County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).