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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
Ottawa County is a county in the U.S. state of Michigan. As of the 2010 census, the population was 263,801. The county seat is Grand Haven. As of July 1, 2011, Ottawa County had a population of 264,910. It is named for the Ottawa Nation.[1]
Timeline
| Date | Event | Source
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| 1831 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1834 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1839 | Court 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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| 1844 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1848 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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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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| 1866 | 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 | 208
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| 1850 | 5,587
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| 1860 | 13,215
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| 1870 | 26,651
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| 1880 | 33,126
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| 1890 | 35,358
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| 1900 | 39,667
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| 1910 | 45,301
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| 1920 | 47,660
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| 1930 | 54,858
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| 1940 | 59,660
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| 1950 | 73,751
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| 1960 | 98,719
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| 1970 | 128,181
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| 1980 | 157,174
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| 1990 | 187,768
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Research Tips
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