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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
Johnson County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 12,582, which is a decrease of 2.3% from 12,878 in 2000. Its county seat is Vienna.
History
- the text in this section is copied from an article in Wikipedia
Johnson County was organized in 1812 out of Randolph County. It was named for Richard M. Johnson, who was then a U.S. Congressman from Kentucky. In 1813, Johnson commanded a Kentucky regiment at the Battle of the Thames, after which he claimed to have killed Tecumseh in hand to hand combat. Johnson went on to be Vice President of the United States.
Timeline
| Date | Event | Source
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| 1809 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1812 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1812 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1820 | First census | Source:Population of States and Counties of the United States: 1790-1990
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| 1821 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1835 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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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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| 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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| 1820 | 843
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| 1830 | 1,596
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| 1840 | 3,626
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| 1850 | 4,114
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| 1860 | 9,342
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| 1870 | 11,248
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| 1880 | 13,078
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| 1890 | 15,013
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| 1900 | 15,667
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| 1910 | 14,331
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| 1920 | 12,022
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| 1930 | 10,203
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| 1940 | 10,727
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| 1950 | 8,729
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| 1960 | 6,928
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| 1970 | 7,550
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| 1980 | 9,624
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| 1990 | 11,347
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Research Tips
External links
- Outstanding guide to Johnson 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.
- www.rootsweb.com/~iljohnso/
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