Welcome to Piatt County, Illinois
Map to Piatt County Courthouse
Courthouse Hours:
Monday thru Friday: 8:30 AM to 4:30 PM
Closed Saturdays, Sundays and Holidays
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2024 Courthouse Holidays
The following are dates upon which holidays will be observed by County offices in the Courthouse:
Monday, January 2 New Year's Day (observed) Monday, January 15 Martin Luther King Jr. Day Monday, February 12 Lincoln's Birthday Monday, February 19 Presidents' Day Friday, March 29 Good Friday Monday, May 27 Memorial Day Wednesday, June 19 Juneteenth Day Thursday, July 4 Independence Day Monday, September 2 Labor Day Monday, October 14 Columbus Day Tuesday, November 5 General Election Day** Monday, November 11 Veterans' Day Thursday, November 28 Thanksgiving Friday, November 29 Day Following Thanksgiving Tuesday, December 24 Christmas Eve Wednesday, December 25 Christmas Holiday **Offices of the County Clerk and State's Attorney will be open for election purposes only
Piatt County Facts
Piatt County, named for James A. Piatt, Sr., was established January 27, 1841, from territory taken from Macon County. The County is 34 miles long, containing 279,680 acres. Approximately 91% of this area is cropland, 3% pasture, 1% woodland and 5% other (municipalities, waterways, highways). Elevations vary from 650 to 800 feet above sea level.
The County Seat is Monticello. On July 1, 1837, James A. Piatt filed a plat of Monticello in the old Courthouse in Decatur. On July 4, 1837, a barbecue was held and lots were sold in the city named for the Virginia home of Thomas Jefferson.
(All information herein is presented for informational purposes only, and should not be relied upon as the basis for official or legal action. Information is subject to change without notice.)