The famous person Gary J. Vermeer is associated with one of more of the Mahaska County historic places.
Some of the country's most noteable architects helped create the Mahaska County places including Jim De Reus, Frank Lloyd Wright, Ames Central Design Office, Simmons, A.T., and Proudfoot, American Bridge Co. Illinois Steel C, Clinton Bridge and Iron Works, Fort Wayne Bridge Works, IA State Hwy Comm. Iowa Bridge Co, C.W. Tracy and Bird and Rawson. Prominent architectural styles found in Mahaska Country are Colonial Revival, Late 19th And Early 20th Century American Movements and Classical Revival.











