Rockland is a city in Power County, Idaho, United States.

Rockland claims its founding in 1879, 11 years before Idaho achieved its statehood in 1890.

In efforts to establish his home he dug a ditch from the East Fork Creek as means to irrigate his 30 acres of land.

Rockland is named after Rock Creek which flows north west into the Snake River.

According to the United States Census Bureau, the city has a total area of 0.30 square miles (0.78 km2), all of it land.

17.5% of all households were made up of individuals, and 5.2% had someone living alone who was 65 years of age or older.

19.0% of all households were made up of individuals, and 11.0% had someone living alone who was 65 years of age or older.