Hamilton County

Also known as Hamilton County, Nebraska, Hamilton County, NE

county in Nebraska, United States

Key facts

Country: United States
State: Nebraska
Founded: 1867 (created), 1870 (organized)
Named after: Alexander Hamilton
Seat: Aurora
Largest city: Aurora
Total: 547 sq mi (1,420 km )
Land: 544 sq mi (1,410 km )
Water: 4.1 sq mi (11 km ) 0.8%
Estimate 2025: 9,678
Density: 17.3/sq mi (6.69/km )
Time zone: UTC−6 ( Central )
Summer dst

Article

Hamilton County is a county in the U.S. state Nebraska. As of the 2020 United States Census, the population was 9,429. Its county seat is Aurora. The county was named for Alexander Hamilton, the first Secretary of the Treasury in the new United States government.

Hamilton County is included in the Grand Island metropolitan area.