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- the text in this section is copied from an article in Wikipedia
Putnam County is a county located in the northwestern part of the U.S. state of Ohio. As of the 2020 census, the population was 34,451. Its county seat is Ottawa. The county was created in 1820 and later organized in 1834. Its name is in honor of Israel Putnam, a colonial hero in the French and Indian War, who served as a general in the American Revolutionary War. The Blanchard River, which passes through the county, was a key transportation route for early European-American settlers.
Timeline
| Date | Event | Source
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| 1820 | County formed | 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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| 1830 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1834 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1834 | 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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| 1850 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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| 1857 | 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 | 230
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| 1840 | 5,189
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| 1850 | 7,221
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| 1860 | 12,808
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| 1870 | 17,081
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| 1880 | 23,713
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| 1890 | 30,188
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| 1900 | 32,525
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| 1910 | 29,972
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| 1920 | 27,751
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| 1930 | 25,074
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| 1940 | 25,016
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| 1950 | 25,248
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| 1960 | 28,331
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| 1970 | 31,134
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| 1980 | 32,991
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| 1990 | 33,819
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Cemeteries
Cemeteries of Putnam County, Ohio, United States
Research Tips
Resources
- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
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