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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
Osceola County is a county located in the U.S. state of Iowa. As of the 2020 census the population was 6,192, making it the state's fifth-least populous county. It is named for Seminole war chief Osceola. The county seat is Sibley, named for H. H. Sibley of Minnesota.
Timeline
Date | Event | Source
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1851 | County formed | Source:Red Book: American State, County, and Town Sources
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1869 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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1872 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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1872 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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1873 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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1880 | Birth records recorded | Source:Red Book: American State, County, and Town Sources
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1880 | First census | Source:Population of States and Counties of the United States: 1790-1990
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1880 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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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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1880 | 2,219
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1890 | 5,574
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1900 | 8,725
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1910 | 8,956
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1920 | 10,223
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1930 | 10,182
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1940 | 10,607
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1950 | 10,181
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1960 | 10,064
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1970 | 8,555
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1980 | 8,371
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1990 | 7,267
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Cemeteries
Cemeteries of Osceola County, Iowa, United States
Research Tips
Resources
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