Hamilton County is a county located in the U.S. state Nebraska. The county was named for Alexander Hamilton, the first Secretary of the Treasury. As of 2018, the population was projected at 9,280. Its county seat is Aurora.
According to the U.S. Census Bureau, the county has a total area of 547 square miles (1,416 km²), of which, 544 square miles (1,408 km²) of it is land and 3 square miles (8 km²) of it (0.57%) is water.
Hamilton County boasts a strong agricultural foundation but is strengthened by a diverse range of industries such as technology, manufacturing, food processing, healthcare and is one of few rural communities to provide fiber internet to all residents currently.