 putnam county is a county located in the u.s. state of indiana. as of 2010, the population was 37,963. the county seat is greencastle. the name is in honor of israel putnam, who was a hero in the french and indian war and a general in the american revolutionary war. the county was formed on april 1, 1822 from owen and vigo counties and parts of the wabash new purchase attached to monroe and parke counties.peggy tuck sinko: indiana atlas of historical county boundaries, john h. long, ed., charles scribner's sons, simon & schuster macmillan, new york, n.y., 1996, p. 245. putnam county is included in the indianapolis-carmel-anderson, in metropolitan statistical area. ==geography== according to the 2010 census, the county has a total area of , of which  (or 99.55%) is land and  (or 0.45%) is water. ===cities and towns=== *bainbridge *cloverdale *fillmore *greencastle *roachdale *russellville ===unincorporated towns=== *barnard *belle union *mount meridian *new maysville *parkersburg *putnamville *reelsville ===townships=== *clinton *cloverdale *floyd *[[franklin township, putnam county, indi
1822_establishments_in_Indiana Indiana_counties National_Road Populated_places_established_in_1822 Putnam_County,_Indiana