Lewis County, Missouri Official Website

Lewis County Courthouse
100 E. Lafayette
Monticello, MO 63457

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Lewis County, Missouri was first organized as a separate county on January 2, 1833. The county was named after Meriwether Lewis of the Lewis and Clark Expedition, later governor of the Missouri Territory. The third and present courthouse dates from 1875. Lewis County is one of the few remaining courthouses in Missouri dating from the 1870's.
Veterans Day Program 2019
On Sunday, November 10, 2019, a memorial was held at the Lewis County, Missouri courthouse in Monticello. Click here to see more pictures and a copy of the program.