Place:Clayton, Iowa, United States

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source: Getty Thesaurus of Geographic Names
source: Family History Library Catalog


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Clayton County is a county located in the U.S. state of Iowa. It was established in 1837 and was named in honor of John M. Clayton, United States Senator from Delaware and later Secretary of State under President Zachary Taylor. The population was 18,129 in the 2010 census, a decline from 18,678 in 2000.[1] Its county seat is Elkader.

Contents

Timeline

Date Event Source
1837 County formed Source:Red Book: American State, County, and Town Sources
1839 Land records recorded Source:Red Book: American State, County, and Town Sources
1840 First census Source:Population of States and Counties of the United States: 1790-1990
1840 Probate records recorded Source:Red Book: American State, County, and Town Sources
1850 Court records recorded Source:Red Book: American State, County, and Town Sources
1850 No significant boundary changes after this year Source:Population of States and Counties of the United States: 1790-1990
1865 Marriage records recorded Source:Red Book: American State, County, and Town Sources
1880 Birth records recorded Source:Red Book: American State, County, and Town Sources

Population History

source: Source:Population of States and Counties of the United States: 1790-1990
Census Year Population
1840 1,101
1850 3,873
1860 20,728
1870 27,771
1880 28,829
1890 26,733
1900 27,750
1910 25,576
1920 25,032
1930 24,559
1940 24,334
1950 22,522
1960 21,962
1970 20,606
1980 21,098
1990 19,054

Research Tips

External links

http://iagenweb.org/clayton/


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