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| Name | Clark |
| Alt names | Clark | source: Getty Vocabulary Program |
| Type | County |
| Coordinates | 39.333°N 87.8°W |
| Located in | Illinois, United States (1819 - ) |
| See also | Coles, Illinois, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Edgar, Illinois, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Fayette, Illinois, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Macon, Illinois, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Putnam, Illinois, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Randolph, Illinois, United States | Parent county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Shelby, Illinois, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | St. Clair, Illinois, United States | Parent county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Tazewell, Illinois, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Vermilion, Illinois, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) |
- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Clark County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 16,335, which is a decrease of 4.0% from 17,008 in 2000. Its county seat is Marshall.
History
- the text in this section is copied from an article in Wikipedia
Clark County was formed in 1819 out of Crawford County. At the time of its formation, Clark County included about a third of Illinois. It acquired its present boundaries in 1831 as new counties were formed out of it.
Clark County was named for George Rogers Clark (older brother of William Clark of the Lewis and Clark Expedition), an officer of the army of Virginia that captured the Northwest Territory from the British at the close of the Revolutionary War.
Timeline
| Date | Event | Source
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| 1816 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1819 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1819 | Marriage 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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| 1820 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1821 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1840 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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| 1865 | 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 | 931
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| 1830 | 3,940
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| 1840 | 7,453
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| 1850 | 9,532
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| 1860 | 14,987
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| 1870 | 18,719
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| 1880 | 21,894
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| 1890 | 21,899
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| 1900 | 24,033
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| 1910 | 23,517
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| 1920 | 21,165
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| 1930 | 17,872
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| 1940 | 18,842
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| 1950 | 17,362
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| 1960 | 16,546
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| 1970 | 16,216
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| 1980 | 16,913
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| 1990 | 15,921
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Research Tips
External links
- Outstanding guide to Clark 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.clarkcountyil.org/
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