Rockville is a village in Sherman County, Nebraska, United States. The population was 111 at the 2000 census.
Rockville is located at 41°7′9″N 98°49′53″W / 41.11917°N 98.83139°W / 41.11917; -98.83139 (41.119229, -98.831359). According to the United States Census Bureau, the village has a total area of 0.2 square miles (0.6 km²), all of it land.
As of the census of 2000, there were 111 people, 53 households, and 29 families residing in the village. The population density was 495.0 people per square mile (194.8/km²). There were 62 housing units at an average density of 276.5 per square mile (108.8/km²). The racial makeup of the village was 100.00% White. Hispanic or Latino of any race were 1.80% of the population.