St. Helena is a village in Cedar County, Nebraska, United States.

[6] According to the United States Census Bureau, the village has a total area of 0.44 square miles (1.14 km2), all land.

There were 39 housing units at an average density of 88.6 per square mile (34.2/km2).

11.1% of all households were made up of individuals, and 8.4% had someone living alone who was 65 years of age or older.

There were 38 housing units at an average density of 90.3 per square mile (34.9/km2).

29.7% of all households were made up of individuals, and 16.2% had someone living alone who was 65 years of age or older.