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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
Iosco County is a county in the U.S. state of Michigan; its eastern border is formed by Lake Huron. As of the 2010 census, the population was 25,237. The county seat is Tawas City.
Timeline
| Date | Event | Source
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| 1840 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1840 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1858 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1859 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1859 | 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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| 1867 | 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 | 175
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| 1870 | 3,163
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| 1880 | 6,873
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| 1890 | 15,224
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| 1900 | 10,246
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| 1910 | 9,753
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| 1920 | 8,199
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| 1930 | 7,517
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| 1940 | 8,560
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| 1950 | 10,906
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| 1960 | 16,505
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| 1970 | 24,905
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| 1980 | 28,349
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| 1990 | 30,209
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Research Tips
External links
www.rootsweb.com/~miiosco
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