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- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
DeWitt County is a county located in the U.S. state of Illinois. As of 2000, the population is 16,798. Its name is in honor of the seventh Governor of New York State, DeWitt Clinton. Its county seat is Clinton, Illinois. The U.S. Census Bureau and the USGS list the county's name as De Witt, although the county uses the name DeWitt (no space). The county was formed in 1839 from Macon and McLean Counties.
Timeline
| Date | Event | Source
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| 1828 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1839 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1839 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1839 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1839 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1840 | First census | Source:Population of States and Counties of the United States: 1790-1990
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| 1850 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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| 1877 | 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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| 1840 | 3,247
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| 1850 | 5,002
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| 1860 | 10,820
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| 1870 | 14,768
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| 1880 | 17,010
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| 1890 | 17,011
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| 1900 | 18,972
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| 1910 | 18,906
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| 1920 | 19,252
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| 1930 | 18,598
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| 1940 | 18,244
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| 1950 | 16,894
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| 1960 | 17,253
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| 1970 | 16,975
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| 1980 | 18,108
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| 1990 | 16,516
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Research Tips
The USGenWeb site for DeWitt County is execellent in that it has a variety of great family history information. It's a must see. Illinois GenWeb
External links
www.rootsweb.com/~ildewitt/
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