Shelby County is a county located in the state of Illinois. According to the 2010 census, it had a population of 22,363. Shelby County was created on January 23, 1827. The county seat is Shelbyville. The county is named for Isaac Shelby (1750-1826), soldier in the American Revolutionary War and War of 1812, and first and fifth Governor of Kentucky.
The county is named for Isaac Shelby, soldier of the American Revolution, the Indian Wars and the War of 1812, and Governor of Kentucky (1792-1796).
County QuickFacts: CensusBureau Quick Facts
Shelby County was created on January 23, 1827 (Laws, 1827, p. 115) and was formed from Morgan County. Present area,
or parts of it, formerly included in: Fayette County (1821-1827), Clark County (1819-1821), Crawford County (1816-1819),
Edwards County (1815-1816), Madison County (1812-1815), St. Clair County (1801-1812) and Knox, Northwest Territory
(1790-1801).
The County was named for Isaac Shelby, a soldier of the Revolution and Indian wars, Governor of Kentucky from 1792 to
1796 and again from 1812 to 1816. He commanded the Kentucky troops in the battle of Thames in the War of 1812. The
County Seat is Shelbyville (1827-Present).
As reported by the Census Bureau, the county has a total area of 768 square miles (1,989 km2), of which, 759 square miles (1,965 km2) of it is land and 10 square miles (25 km2) of it (1.24%) is water.
Shelby county is located close to the center of Illinois. Hidden
Springs State Forest and Eagle Creek State Recreation Area are located
in this county.
Bordering counties are as follows: