Putnam County is a county located in North Central Missouri. As of the 2010 census, the population was 4,979. Its county seat is Unionville. The county was organized February 28, 1845 and named for Israel Putnam, a hero in the French and Indian War and a general in the American Revolutionary War.
Putnam County Missouri was founded in 1845. According to the 2010 census, just under 5,000 people currently reside there.