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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
Union County is a county located in the state of Iowa, United States. The population was 12,534 in the 2010 census, an increase from 12,309 in the 2000 census.[1][2] The county seat is Creston.
Timeline
| Date | Event | Source
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| 1851 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1854 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1854 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1854 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1855 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1860 | First census | Source:Population of States and Counties of the United States: 1790-1990
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| 1860 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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| 1880 | 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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| 1860 | 2,012
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| 1870 | 5,986
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| 1880 | 14,980
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| 1890 | 16,900
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| 1900 | 19,928
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| 1910 | 16,616
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| 1920 | 17,268
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| 1930 | 17,435
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| 1940 | 16,280
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| 1950 | 15,651
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| 1960 | 13,712
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| 1970 | 13,557
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| 1980 | 13,858
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| 1990 | 12,750
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Research Tips
External links
http://iagenweb.org/union/
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