St. Helena
- County:
- Cedar County
- County Seat:
- No
- Area (mi²):
- 0.444
- State:
- Nebraska
St. Helena is a village located in Cedar County, Nebraska. St. Helena has a 2026 population of 89. St. Helena is currently declining at a rate of -1.11% annually and its population has decreased by -2.2% since the most recent census, which recorded a population of 91 in 2020.
The median household income in St. Helena is $85,625 with a poverty rate of 4.12%. The median age in St. Helena is 38.7 years: 38.3 years for males, and 42.6 years for females. For every 100 females there are 106.4 males.