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Macoupin County is a county located in the southwestern portion of the state of Illinois. According to the 2010 census, it had a
population of 47,765. Macoupin County was
created on January 17, 1829. The county
seat is Carlinville. The county is named
for the Native American word Macoupin, meaning American lotus.
Macoupin County is part of the Metro-East region of the St. Louis, MO-IL Metropolitan Statistical Area.
The county is named for the Native American word Macoupin, meaning American lotus.
County QuickFacts: CensusBureau Quick Facts
Macoupin County was created on January 17, 1829 (Laws, 1829, p. 26) and was formed from unorganized land (Greene
County) and Madison County . Present area, or parts of it, formerly included in: Greene County (1821-1829), Madison
County (1825-1829), ? County (1812-1821) and St. Clair County (1790-1812).
The County was named for Macoupin Creek which flows through the county and is derived from the Indian word for the water lilies that grew along the creek. The tubers of the water lilies were a food source for the indians. The County Seat is Carlinville (1829-Present).
As reported by the Census Bureau, the county has a total area of 868 square miles (2,247 km2), of which, 864 square miles (2,237 km2) of it is land and 4 square miles (10 km2) of it (0.47%) is water.
Macoupin county is located close to the center of Illinois.
Bordering counties are as follows: