Washington County - Extinct Counties

Extinct Counties

• Washington County, South Dakota, a former county (1883 - 1943) that was sliced up and then merged into Jackson County, Pennington County, and Shannon County in 1943 because of financial troubles in South Dakota.
• Washington County, District of Columbia, a former county of the District of Columbia that was abolished in 1871 along with all of the other counties in that District.