Place:Jefferson, Washington, United States

Watchers
NameJefferson
Alt namesJeffersonsource: Getty Vocabulary Program
TypeCounty
Coordinates47.617°N 123.083°W
Located inWashington, United States     (1852 - )
See alsoLewis, Washington, United StatesParent 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 a county located in the State of Washington. As of the 2010 census, the population was 29,872. The county seat and only incorporated city is Port Townsend. The county is named for Thomas Jefferson.

Jefferson County was formed out of Thurston County on December 22, 1852, by the legislature of Oregon Territory, and included the northern portion of the Olympic Peninsula. On April 26, 1854, the legislature of Washington Territory created Clallam County from the northwestern portion of this original area.

The Hood Canal Bridge connects Jefferson County to Kitsap County, Washington. The Keystone-Port Townsend route of the Washington State Ferries connects the county to Whidbey Island in Island County, Washington.

Timeline

Date Event Source
1852 County formed Source:Red Book: American State, County, and Town Sources
1853 Marriage records recorded Source:Red Book: American State, County, and Town Sources
1853 Probate records recorded Source:Red Book: American State, County, and Town Sources
1854 Court records recorded Source:Red Book: American State, County, and Town Sources
1855 Land records recorded Source:Red Book: American State, County, and Town Sources
1860 First census Source:Population of States and Counties of the United States: 1790-1990
1880 No significant boundary changes after this year Source:Population of States and Counties of the United States: 1790-1990
1891 Birth records recorded Source:Red Book: American State, County, and Town Sources

Population History

source: Source:Population of States and Counties of the United States: 1790-1990
Census Year Population
1860 531
1870 1,268
1880 1,712
1890 8,368
1900 5,712
1910 8,337
1920 6,557
1930 8,346
1940 8,918
1950 11,618
1960 9,639
1970 10,661
1980 15,965
1990 20,146

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