
Jansen
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 0.313
- State:
- Nebraska
Jansen is a village located in Jefferson County, Nebraska. Jansen has a 2025 population of 95. Jansen is currently declining at a rate of -1.04% annually and its population has decreased by -5% since the most recent census, which recorded a population of 100 in 2020.
The average household income in Jansen is $57,998 with a poverty rate of 17.44%. The median age in Jansen is 50.3 years: 35 years for males, and 50.9 years for females.