There are one hundred and two counties in Illinois. St. Clair County was the first county established in what is today Illinois. Most counties in Illinois were named after early American leaders, especially of the American Revolutionary War, as well as soldiers from the Battle of Tippecanoe and the War of 1812.
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BooneCounty is a county located in the state of Illinois. Based on the 2010 census, the
population was 54,165. Boone County was created
on March 4, 1837. The countyseat is
Belvidere. The county is named for Daniel Boone
(1734-1820), trailblazer of the Wilderness Road in Kentucky.
Boone County is included in the Rockford, IL Metropolitan Statistical Area.
Etymology - Origin of Boone County Name
The county is named after Daniel Boone, pioneer hunter, explorer and Indian fighter.
Boone County was created on March 4, 1837 (Laws, 1837, p. 96) and was formed from Winnebago County. Present area, or
parts of it, formerly included in: Winnebago (1836-1837), LaSalle (1831-1836), Putnam (1825-1831), Fulton (1823-1825),
Pike (1821-1823), Clark (1819-1821), Crawford (1816-1819), Edwards (1815-1816), Madison (1812-1815) and St. Clair
The County was named for Daniel Boone, a pioneer hunter, Indian fighter and pathfinder of the early days. The County
Seat is Belvidere (1837-Present).
Geography: Land and Water
As reported by the Census Bureau, the county has a total area of 282 square miles (730 km2), of which 281
square miles (728 km2) is land and 1 square mile (2 km2) (0.24%) is water.