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- the text in this section is copied from an article in Wikipedia
Calhoun County is a county in the U.S. state of Illinois. As of the 2010 census, the population was 5,089, making it Illinois’ third-least populous county. Its county seat and biggest community is Hardin, with a population of 801. Its smallest incorporated community is Hamburg, with a population of 99. Calhoun County is at the tip of the peninsula formed by the courses of the Mississippi and Illinois rivers above their confluence and is almost completely surrounded by water. Calhoun County is sparsely populated; it has just five municipalities, all of them villages.
Calhoun County is part of the Metro-East portion of the St. Louis, MO-IL Metropolitan Statistical Area.
Timeline
Date | Event | Source
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1825 | County formed | Source:Red Book: American State, County, and Town Sources
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1825 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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1825 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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1825 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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1830 | First census | Source:Population of States and Counties of the United States: 1790-1990
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1830 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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1833 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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1878 | Birth records recorded | Source:Red Book: American State, County, and Town Sources
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Population History
- source: Source:Population of States and Counties of the United States: 1790-1990
Census Year | Population
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1830 | 1,090
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1840 | 1,741
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1850 | 3,231
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1860 | 5,144
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1870 | 6,562
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1880 | 7,467
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1890 | 7,652
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1900 | 8,917
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1910 | 8,610
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1920 | 8,245
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1930 | 8,034
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1940 | 8,207
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1950 | 6,898
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1960 | 5,933
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1970 | 5,675
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1980 | 5,867
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1990 | 5,322
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Cemeteries
Cemeteries of Calhoun County, Illinois, United States
Research Tips
Resources
- Outstanding guide to Calhoun County family history and genealogy resources (FamilySearch Research Wiki). Birth, marriage, and death records, censuses, wills, deeds, county histories, cemeteries, churches, naturalizations, newspapers, libraries, and genealogical societies.
- Calhoun County ILGenWeb
- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
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