Jefferson County, Nebraska

Jefferson County
Jefferson County Courthouse in Fairbury
Location within the U.S. state of Nebraska
Nebraska's location within the U.S.
Coordinates: 40°10′N 97°09′W / 40.17°N 97.15°W / 40.17; -97.15
Country United States
State Nebraska
FoundedJanuary 26, 1856 (founded)
1864 (organized)
Named afterThomas Jefferson
SeatFairbury
Largest cityFairbury
Area
  Total
576 sq mi (1,490 km2)
  Land570 sq mi (1,500 km2)
  Water5.5 sq mi (14 km2)  1.0%
Population
 (2020)
  Total
7,240
  Estimate 
(2021)
7,176
  Density13/sq mi (4.9/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district3rd
Websitejeffersoncounty.nebraska.gov

Jefferson County is a county in the U.S. state of Nebraska. As of the 2020 United States census, the population was 7,240. Its county seat is Fairbury. The county was named for Thomas Jefferson, third President of the United States of America. In the Nebraska license plate system, Jefferson County is represented by the prefix 33 (it had the thirty-third-largest number of vehicles registered in the county when the license plate system was established in 1922).