This is a list of U.S. counties that were established by a state, provincial, colonial, or territorial government, which no longer exist, for one reason or another. This does not include counties that were renamed but retained their territorial integrity, or counties that were transferred wholesale to another state when it was separated from another state (Massachusetts counties transferred to Maine; Virginia counties transferred to West Virginia).
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- Campbell County, Georgia (1828-1931)
- Charlotte County, Province of New York (renamed and partitioned). See Washington County, New York.
- Clark County, Missouri (1818-1819) (Not the same as the current Clark County, Missouri)
- Cornwall County, Province of New York (transferred to Massachusetts in 1686).
- Crawford County, Michigan Territory (became part of Wisconsin Territory)
- Crocker County, Iowa Iowa's 100th, "Lost County". Created in 1870 from portions of Bancroft County. The county seat was located at Greenwood, Iowa. In December, 1871, the Supreme Court of Iowa declared the act creating this county a violation of the constitution, which in article eleven declares that no new county shall be created which contains less than four hundred thirty two square miles. As Crocker County was smaller than the law allowed for, it ceased to exist from and after the rendition of that decision and its territory reverted to Kossuth County. To this day, Iowa is divided into just 99 counties.
- Cumberland County, Province of New York (claimed by and transferred to Vermont, unclear if ever implemented or administered). See Albany County, New York.
- Cumberland County, Republic of Vermont (1771-1781)
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- Day County, Oklahoma Territory Abolished at Oklahoma statehood. Split into Roger Mills County and Ellis County
- Decatur County, Alabama (1821-~1825)
- Des Moines County, Michigan Territory (became part of Wisconsin Territory, now Iowa)
- Devonshire County, District of Maine, Massachusetts Bay Colony (1674–1675)
- Dobbs County, North Carolina
- Dodge County, Missouri (1849-1853)
- Dubuque County, Michigan Territory (became part of Wisconsin Territory, now Iowa)
- Dukes County, Province of New York (transferred to Massachusetts in 1691).
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- Pautah County, California - created by the California legislature out of territory the state believed would be ceded to it north of Lake Tahoe, but which was given to Nevada. County never officially organized.
- Pah-Ute County, Arizona
- Pearl County, Mississippi (1872-1878, later reformed as Pearl River County, Mississippi)
- Pembina County, Minnesota Territory (1849-1858, reconstituted as Pembina County, Dakota Territory in 1861, eventually reduced to present-day Pembina County, North Dakota.)
- Platte County, Colorado Territory (1872-1874)
- Princess Anne County, Virginia (incorporated into independent city of Virginia Beach in 1963)
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External links
*To be harvested.
See also
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