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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 located in the state of Ohio, United States. According to the 2010 census, it has a population of 41,428, which is an increase of 1.1% from 40,985 in 2000. Its county seat is Port Clinton and is named either for the Ottawa Indians who lived there, or for an Indian word meaning "trader".
Ottawa County is part of the Toledo Metropolitan Statistical Area.
Timeline
| Date | Event | Source
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| 1820 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1840 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1840 | 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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| 1840 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1840 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1850 | 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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| 1840 | 2,248
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| 1850 | 3,308
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| 1860 | 7,016
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| 1870 | 13,364
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| 1880 | 19,762
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| 1890 | 21,974
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| 1900 | 22,213
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| 1910 | 22,360
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| 1920 | 22,193
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| 1930 | 24,109
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| 1940 | 24,360
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| 1950 | 29,469
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| 1960 | 35,323
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| 1970 | 37,099
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| 1980 | 40,076
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| 1990 | 40,029
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Research Tips
External links
www.co.ottawa.oh.us/OCHome/
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