Rockville is a village in Sherman County, Nebraska, United States.

Rockville was platted in 1886 when the Union Pacific Railroad was extended to that point.

[5][6] According to the United States Census Bureau, the village has a total area of 0.22 square miles (0.57 km2), all land.

40.4% of all households were made up of individuals, and 26.9% had someone living alone who was 65 years of age or older.

35.8% of all households were made up of individuals, and 17.0% had someone living alone who was 65 years of age or older.

There were no families and 8.4% of the population living below the poverty line, including no under eighteens and 19.4% of those over 64.