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- the text in this section is copied from an article in Wikipedia
Hardin County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 16,878. The county seat is Eldora. The county was named in honor of Col. John J. Hardin, of Illinois, who was killed in the Mexican–American War.
Timeline
| Date | Event | Source
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| 1849 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1851 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1853 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1853 | Marriage 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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| 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 | 5,440
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| 1870 | 13,684
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| 1880 | 17,807
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| 1890 | 19,003
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| 1900 | 22,794
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| 1910 | 20,921
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| 1920 | 23,337
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| 1930 | 22,947
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| 1940 | 22,530
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| 1950 | 22,218
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| 1960 | 22,533
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| 1970 | 22,248
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| 1980 | 21,776
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| 1990 | 19,094
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Cemeteries
Cemeteries of Hardin County, Iowa, United States
Research Tips
Resources
- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
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