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| Name | Washtenaw |
| Alt names | Washtenaw | source: Getty Vocabulary Program |
| Type | County |
| Coordinates | 42.25°N 83.85°W |
| Located in | Michigan, United States (1822 - ) |
| See also | Ingham, Michigan, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Jackson, Michigan, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Livingston, Michigan, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Macomb, Michigan, United States | Parent county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Wayne, Michigan, United States | Parent county (source: Source:Population of States and Counties of the United States: 1790-1990) |
- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Washtenaw County is a county in the U.S. state of Michigan. As of the 2010 census, the population was 344,791.
Washtenaw County was officially established as a county in 1826. The county seat is Ann Arbor. The United States Office of Management and Budget defines the county as part of the Detroit–Warren–Flint Combined Statistical Area. The county is home to the University of Michigan, Eastern Michigan University, Washtenaw Community College, Concordia University Ann Arbor, and the Ann Arbor campus of the Thomas M. Cooley Law School.
Timeline
| Date | Event | Source
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| 1822 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1827 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1830 | First census | Source:Population of States and Counties of the United States: 1790-1990
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| 1833 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1835 | Court records recorded | 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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| 1840 | 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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| 1830 | 4,042
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| 1840 | 23,571
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| 1850 | 28,567
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| 1860 | 35,686
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| 1870 | 41,434
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| 1880 | 41,848
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| 1890 | 42,210
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| 1900 | 47,761
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| 1910 | 44,714
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| 1920 | 49,520
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| 1930 | 65,530
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| 1940 | 80,810
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| 1950 | 134,606
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| 1960 | 172,440
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| 1970 | 234,103
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| 1980 | 264,748
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| 1990 | 282,937
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Research Tips
External links
www.rootsweb.com/~miwashte
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