Thayer County, Nebraska

Thayer County
Thayer County Courthouse in Hebron
Interactive map of Thayer County
Location within the U.S. state of Nebraska
Country United States
State Nebraska
EstablishedMay 9, 1871
Named afterJohn Milton Thayer
County seatHebron
Largest cityHebron
Area
  Total
575 sq mi (1,490 km2)
  Land574 sq mi (1,490 km2)
  Water1.2 sq mi (3 km2)  0.2%
Highest elevation
1,545 ft (471 m)
Lowest elevation
1,142 ft (348 m)
Population
  Estimate 
(2021)
4,913
  Density8.8/sq mi (3.4/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Area code402/531
FIPS code31169
GNIS feature ID835906
Websitethayercountyne.gov

Thayer County is a county in the U.S. state of Nebraska. As of the 2020 United States census, the population was 5,034. Its county seat is Hebron. The county was created in 1856 and originally named Jefferson County. It was organized in 1870-1871 and renamed for General and Governor John Milton Thayer.

In the Nebraska license plate system, Thayer County is represented by the prefix 32 (it had the thirty-second-largest number of vehicles registered in the state when the license plate system was established in 1922).