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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
Hillsdale County is a county located in the U.S. state of Michigan. As of the 2020 Census, the population was 45,746. The county seat is Hillsdale.
Hillsdale County is the only county in Michigan to border both Indiana and Ohio. Due to an angle in the state's southern border, Hillsdale County has the southernmost point in the state. Hillsdale County is conterminous with the Hillsdale, MI Micropolitan Statistical Area.
The Hillsdale County Courthouse was designed by Claire Allen, a prominent southern Michigan architect.
Timeline
| Date | Event | Source
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| 1829 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1835 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1835 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1835 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1840 | First census | Source:Population of States and Counties of the United States: 1790-1990
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| 1840 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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| 1846 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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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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| 1840 | 7,240
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| 1850 | 16,159
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| 1860 | 25,675
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| 1870 | 31,684
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| 1880 | 32,723
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| 1890 | 30,660
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| 1900 | 29,865
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| 1910 | 29,673
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| 1920 | 28,161
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| 1930 | 27,417
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| 1940 | 29,092
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| 1950 | 31,916
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| 1960 | 34,742
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| 1970 | 37,171
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| 1980 | 42,071
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| 1990 | 43,431
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Research Tips
External links
www.rootsweb.com/~mihillsd
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