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Grundy County
Contact InformationGrundy County Courthouse
111 E. Washington St.
Morris, IL 60450
815-941-3222 – County Clerk
815-941-3256 – Circuit Clerk
815-941-3224 – Recorder
IRAD Depository
Illinois State University
2016 Warehouse Rd.
Campus Box 1520
Normal, IL 61790-1520
309-452-6027
Established
- February 17, 1841 (Laws, 1841, p. 74)
Origin of the name of the county
- Named for Felix Grundy, a lawyer and politician, United States Senator from Tennessee, and Attorney General of the United States.
Present area, or parts of it, formerly included in
- 1831–1841 – LaSalle
- Southeastern Part
- 1826–1831 – Vermilion
- 1823–1826 – Edgar
- 1819–1821 – Clark
- Southwestern Part
- 1827–1831 – Tazewell
- 1821–1826 – Fayette
- North of Illinois River
- 1825–1831 – Putnam
- 1823–1825 – Fulton
- 1821–1823 – Pike
- 1819–1823 – Clark
- 1816–1819 – Crawford
- 1815–1816 – Edwards
- 1812–1815 – Madison
- 1801–1812 – St. Clair
- 1790–1801 – Knox, Northwest Territory
County Seats
- 1842–present – Morris (At a site previously called Grundytown, then Grundyville, and finally Morris.)
History of county governing board
- 1841–1850 – County Commissioners’ Court
- 1850–present – County Board of Supervisors
Township Government
- Adopted – November 6, 1849
Township Names
- Aux Sable
- Braceville – Name changed from Addison on June 13, 1850.
- Erienna – Name changed from Fairview on June 13, 1850.
- Felix – Formed from Wauponsee and Aux Sable in November, 1854.
- Garfield – Formed from Greenfield on March 10, 1903.
- Goodfarm – Name changed from Dover on June 13, 1850.
- Goose Lake – Formed from Felix on September 15, 1897.
- Greenfield
- Highland
- Maine – Formed from Braceville in March 18, 1898.
- Mazon
- Morris
- Nettle Creek
- Norman
- Saratoga
- Vienna
- Wauponsee
Township Map
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