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| Name | Jefferson |
| Alt names | Jefferson | source: Getty Vocabulary Program |
| Type | County |
| Coordinates | 38.183°N 85.65°W |
| Located in | Kentucky, United States (1792 - ) |
| Also located in | Virginia, United States (1780 - 1792) |
| See also | Bullitt, Kentucky, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Franklin, Kentucky, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Gallatin, Kentucky, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Henry, Kentucky, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Oldham, Kentucky, United States | Child county (source: Source:Population of States and Counties of the United States: 1790-1990) | | Shelby, Kentucky, United States | Child 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
Jefferson County is located in the north central portion of the U.S. Commonwealth of Kentucky. As of the 2020 census, the population was 782,969. It is the most populous county in the commonwealth (with more than twice the population of second ranked Fayette County).
Since a city-county merger in 2003, the county's territory, population and government have been coextensive with the city of Louisville, which also serves as county seat. The administrative entity created by this merger is the Louisville/Jefferson County Metro Government, abbreviated to Louisville Metro.
Jefferson County is the anchor of the Louisville-Jefferson County, KY-IN Metropolitan Statistical Area, locally referred to as Kentuckiana.
History
- the text in this section is copied from an article in Wikipedia
Jefferson County—originally Jefferson County, Virginia—was established by the Virginia General Assembly in June 1780, when it abolished and partitioned Kentucky County into three counties: Fayette, Jefferson and Lincoln. Named for Thomas Jefferson, who was governor of Virginia at the time, it was one of Kentucky's nine original counties on June 1, 1792.
In 1778, during the American Revolutionary War, George Rogers Clark's militia and 60 civilian settlers, established the first American settlement in the county on Corn Island in the Ohio River, at head of the Falls of the Ohio. They moved to the mainland the following year, establishing Louisville.
Richard Mentor Johnson, the 9th Vice President of the United States, was born in Jefferson County in 1780, while the family was living in a settlement along the Beargrass Creek.
The last major American Indian raid in present-day Jefferson County was the Chenoweth Massacre on July 17, 1789.
Timeline
| Date | Event | Source
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| 1780 | County formed | Source:Red Book: American State, County, and Town Sources
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| 1780 | Court records recorded | Source:Red Book: American State, County, and Town Sources
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| 1781 | Marriage records recorded | Source:Red Book: American State, County, and Town Sources
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| 1783 | Land records recorded | Source:Red Book: American State, County, and Town Sources
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| 1784 | Probate records recorded | Source:Red Book: American State, County, and Town Sources
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| 1790 | First census | Source:Population of States and Counties of the United States: 1790-1990
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| 1830 | No significant boundary changes after this year | Source:Population of States and Counties of the United States: 1790-1990
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| 1852 | 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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| 1790 | 4,765
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| 1800 | 8,754
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| 1810 | 13,399
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| 1820 | 20,768
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| 1830 | 23,979
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| 1840 | 36,346
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| 1850 | 59,831
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| 1860 | 89,404
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| 1870 | 118,953
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| 1880 | 146,010
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| 1890 | 188,598
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| 1900 | 232,549
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| 1910 | 262,920
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| 1920 | 286,369
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| 1930 | 355,350
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| 1940 | 385,392
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| 1950 | 484,615
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| 1960 | 610,947
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| 1970 | 695,055
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| 1980 | 685,004
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| 1990 | 664,937
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Cemeteries
Cemeteries of Jefferson County, Kentucky, United States
Research Tips
External links
www.rootsweb.com/~kyjeffer/
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