Oneida
- County:
- Nemaha County
- County Seat:
- No
- Area (mi²):
- 0.23
- State:
- Kansas
Oneida is a city located in Nemaha County, Kansas. Oneida has a 2026 population of 58. Oneida is currently declining at a rate of -1.69% annually and its population has decreased by -3.33% since the most recent census, which recorded a population of 60 in 2020.
The median household income in Oneida is $65,000 with a poverty rate of 24.82%. The median age in Oneida is 23.3 years: 33.1 years for males, and 10.4 years for females. For every 100 females there are 52.2 males.