5 Least Densely Populated States in the US

3. Montana

Population Density per Square Mile: 7.4

GDP per Capita: $57,945

Montana is a western state known for its diverse landforms ranging from the Rocky Mountains to the Great Plains. Montana has a population density of just 7.4 people per square mile. The state’s economy is primarily driven by the primary sector, which includes agriculture, forestry, mining, and energy production. Montana is at the third position on our list of the least densely populated states in the US.