Hamburg Public Library
Carnegie Grant Information
Town & County
Twelfth Census of the United States — 1900. p. 449.
Thirteenth Census of the United States — 1910. 1,817.
Hamburg is a town in Fremont County, which was established on Febraury 24, 1847. Fremont is named for General John C. Fremont (1813-1890) who extensively explored the western territories of what became the United States. The county seat is located in Sidney.
(Source: Pratt, LeRoy G. “The Counties and Courthouses of Iowa.” Mason City, Ia; Klipto Printing & Office Supply Company, 1977, p. 129.)