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.
Country: United States
State: Nebraska
Founded: January 26, 1856 (founded) · 1864 (organized)