Martinstown is an unincorporated community in southeast Putnam County, in the U.S. state of Missouri.
[1] The community is at the intersection of Missouri Route 149 and Missouri Route W. Worthington is approximately four miles east near the Putnam-Schuyler county line.
[2] Martinstown was platted in 1857, and named after Neal Martin, a local judge.
[3] A post office called Martinstown was established in 1857, and remained in operation until 1900.
This Putnam County, Missouri state location article is a stub.