Courthouse hours are 8:30am-4:30 pm
Adair County is a county located in the northeastern part of Missouri. It was founded on January 29, 1841, and named after John Adair, the eighth Governor of Kentucky. As of the 2010 Census, the population was 25,607, with a total area of 569 square miles. You can find more information about the census by visiting www.census.gov.
If you would like to learn more about the history of our courthouse, click here.
Anyone wanting to see county ordinances or rock policies, please see the Commissioners‘ page. They are located at the bottom.