Ames is an unincorporated community and census-designated place in southern Dodge County, Nebraska, United States. As of the 2010 census it had a population of 24. Ames lies along U.S. Route 30, west of the city of Fremont, the county seat of Dodge County. Its elevation is above sea level, and it is located at about (41.4523625, -96.6251658). Although Ames is unincorporated, it has a post office, with the ZIP code of 68621. History A post office was established at Ames in 1885. The community was formerly named Ketchum but renamed Ames, likely for Oakes Ames, a Union Pacific Railroad official. Ames was a station and shipping point on the Union Pacific Railroad. Demographics Ames' population declined from 24 to 14 between the 2010 and 2020 Censuses. References Census-designated places in Dodge County, Nebraska Census-designated places in Nebraska