
Fairbury
- County:
- Jefferson County
- County Seat:
- Yes
- Area (mi²):
- 2.536
- State:
- Nebraska
Fairbury is a city located in Jefferson County, Nebraska. Fairbury has a 2025 population of 3,738. It is also the county seat of Jefferson County. Fairbury is currently declining at a rate of -1.24% annually and its population has decreased by -5.91% since the most recent census, which recorded a population of 3,973 in 2020.
The average household income in Fairbury is $63,618 with a poverty rate of 15.1%. The median age in Fairbury is 42.7 years: 40.3 years for males, and 44.3 years for females.