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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
Tulsa County is a county located in the U.S. state of Oklahoma. As of 2000, the population was 563,299. Its county seat is Tulsa and is the most densely populated county in Oklahoma.
Timeline
| Date | Event | Source
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| 1907 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1907 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1907 | First census | Source:Population of States and Counties of the United States: 1790-1990
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| 1907 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1907 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1907 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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| 1907 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1908 | 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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| 1907 | 21,693
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| 1910 | 34,995
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| 1920 | 109,023
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| 1930 | 187,574
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| 1940 | 193,363
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| 1950 | 251,686
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| 1960 | 346,038
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| 1970 | 401,663
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| 1980 | 470,593
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| 1990 | 503,341
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Research Tips
External links
www.rootsweb.com/~oktulsa/
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