Hastings. 1 City (1990 pop. 15,445), seat of Dakota co., SE Minn., on the Vermillion River and on bluffs above the Mississippi opposite its confluence with the St. Croix; inc. 1857. It is a farm trade and manufacturing center, producing flour, computer equipment, fertilizers, and feeds. 2 City (1990 pop. 22,837), seat of Adams co., S central Nebr.; inc. 1874. It is a rail center in a farming area. Manufactures include processed foods and construction materials. A museum is in the city.