Hamilton County is a county located in the U.S. state Nebraska. As of the 2010 census, the population was 9,124. Its county seat is Aurora. The county was named for Alexander Hamilton, the first Secretary of the Treasury.Hamilton County is included in the Grand Island, NE Metropolitan Statistical Area.In the Nebraska license plate system, Hamilton County is represented by the prefix 28 (it had the 28th-largest number of vehicles registered in the county when the license plate system was established in 1922).HistoryThe first permanent settlers arrived in Hamilton County in 1866. Hamilton County was created in 1867 and later organized in 1870. It was named after Alexander Hamilton.GeographyAccording to the U.S. Census Bureau, the county has a total area of, of which is land and (0.8%) is water.Major highways20px Interstate 8020px U.S. Highway 3420px Nebraska Highway 220px Nebraska Highway 1420px Nebraska Highway 66
