Grant County

Also known as Grant County, Nebraska, Grant County, NE

county in Nebraska, United States

Key facts

Country: United States
State: Nebraska
Founded: March 31, 1887
Named after: Ulysses S. Grant
Seat: Hyannis
Largest village: Hyannis
Total: 783.356 sq mi (2,028.88 km )
Land: 776.696 sq mi (2,011.63 km )
Water: 6.660 sq mi (17.25 km ) 0.85%
Density: 0.787/sq mi (0.304/km )
Time zone: UTC−7 ( Mountain )
Summer dst: UTC−6 ( MDT )
Congressional district

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Article

Grant County is a county in the U.S. state of Nebraska. As of the 2020 census, the population was 611, and was estimated to be 561 in 2025, making it the fourth-least populous county in Nebraska and the eleventh-least populous county in the United States. The county seat and the largest village is Hyannis.

In the Nebraska license plate system, Grant County was represented by the prefix "92" (as it had the second-smallest number of vehicles registered in the state when the license plate system was established in 1922).