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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 located in the U.S. state of Michigan. As of the 2020 census, the population was 372,258. The county seat is Ann Arbor. The county was authorized by legislation in 1822, and was organized as a county in 1826.[1]
Washtenaw County comprises the Ann Arbor Metropolitan Statistical Area and is included in the Detroit-Warren-Ann Arbor Combined Statistical Area.
The county is home to the University of Michigan, Eastern Michigan University, Washtenaw Community College, and Concordia University Ann Arbor.
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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Cemeteries
Cemeteries of Washtenaw County, Michigan, United States
Research Tips
Resources
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