Jefferson County
Jefferson County is the name of the following counties in the United States:
- Jefferson County, Alabama
- Jefferson County, Arkansas
- Jefferson County, Colorado
- Jefferson County (Florida)
- Jefferson County, Georgia
- Jefferson County, Idaho
- Jefferson County (Illinois)
- Jefferson County (Indiana)
- Jefferson County, Iowa
- Jefferson County, Kansas
- Jefferson County, Kentucky
- Jefferson County, Mississippi
- Jefferson County, Missouri
- Jefferson County, Montana
- Jefferson County, Nebraska
- Jefferson County (New York)
- Jefferson County (Ohio)
- Jefferson County, Oklahoma
- Jefferson County, Oregon
- Jefferson County, Pennsylvania
- Jefferson County, Tennessee
- Jefferson County, Texas
- Jefferson County (Washington)
- Jefferson County, West Virginia
- Jefferson County, Wisconsin
- Jefferson County (Jefferson Territory) , a former county in the Jefferson Territory
See also:
- Jefferson County Courthouse
- Jefferson Parish , Parish, Louisiana
