Nelson
- County:
- Nuckolls County
- County Seat:
- Yes
- Area (mi²):
- 0.816
- State:
- Nebraska
Nelson is a city located in Nuckolls County, Nebraska. Nelson has a 2026 population of 458. It is also the county seat of Nuckolls County. Nelson is currently declining at a rate of -0.65% annually and its population has decreased by -0.22% since the most recent census, which recorded a population of 459 in 2020.