COUNTY ORGANIZED: 1818
COUNTY NAMED FOR:
President Thomas Jefferson
COUNTY SEAT NAMED FOR: Hillsboro
is the English equivalent of the Italian
Monticello, home of
President Thomas Jefferson. The founders of Jefferson County had hoped
to use the name of the home of their county's namesake for the county
seat, but that honor in Missouri had already been taken by Monticello in
Lewis County.
STANDING: 1863
Courthouse that has been transformed by remodeling projects and additions
completed in 1893, 1954, and 1975. |