Malta is a city in and the county seat of Phillips County, Montana, United States, located at the intersection of U.S. Routes 2 and 191. The population was 2,120 at the 2000 census.Malta is on the High Plains of Montana. The Little Rocky Mountains are located south of the town. The city's water source is the Milk River, which originates in Glacier National Park.According to the United States Census Bureau, the city has a total area of 1.1 square miles (2.8Square Kilometer), all of it land.