<Li> Washington County, Wisconsin </Li> <Li> Washington Parish, Louisiana </Li> <P> Twenty three of the twenty six Jefferson Counties in the United States are directly named for Thomas Jefferson, the third President, and the remaining three are indirectly named for him . </P> <Ul> <Li> Jefferson County, Alabama </Li> <Li> Jefferson County, Arkansas </Li> <Li> Jefferson County, Colorado: named for the Territory of Jefferson, which extralegally governed the area before the United States Congress established the Colorado Territory, the territory in turn was named for Thomas Jefferson </Li> <Li> Jefferson County, Florida </Li> <Li> Jefferson County, Georgia </Li> <Li> Jefferson County, Idaho </Li> <Li> Jefferson County, Illinois </Li> <Li> Jefferson County, Indiana </Li> <Li> Jefferson County, Iowa </Li> <Li> Jefferson County, Kansas </Li> <Li> Jefferson County, Kentucky </Li> <Li> Jefferson County, Mississippi </Li> <Li> Jefferson County, Missouri </Li> <Li> Jefferson County, Montana: named for the Jefferson River, in turn named for Thomas Jefferson </Li> <Li> Jefferson County, Nebraska </Li> <Li> Jefferson County, New York </Li> <Li> Jefferson County, Ohio </Li> <Li> Jefferson County, Oklahoma </Li> <Li> Jefferson County, Oregon: named for Mount Jefferson on the county's western boundary, in turn named for Thomas Jefferson </Li> <Li> Jefferson County, Pennsylvania </Li> <Li> Jefferson County, Tennessee </Li> <Li> Jefferson County, Texas </Li> <Li> Jefferson County, Washington </Li> <Li> Jefferson County, West Virginia </Li> <Li> Jefferson County, Wisconsin </Li> <Li> Jefferson Parish, Louisiana </Li> </Ul>

How many jefferson counties are there in the us