Gerster is located at Section 21, Township 37 N, Range 24 W, on Highway T.
Gerster had a Post Office during the years 1898-1958.
History of Hickory, Polk, Cedar, Dade and Barton Counties, Goodspeed, 1889, pp. 589-590:
Samuel W. Gerster is a native of Fairfield County, Ohio. He was born on the 20th of June 1854, a son of Johanes and Elizabeth (Goss) Gerster. Johanes was born in Switzerland, and Elizabeth was born in Fairfield County, Ohio. Johanes left Switzerland at the age of 21, and after living in various countries came to Missouri in 1869, and located on the farm on which his son Samuel is now (1889) living. He died in Hickory County in 1880.