About East Helena

East Helena is a city in Lewis and Clark County, Montana, United States, approximately 5 miles (8 km) east of downtown Helena. The population was 1,944 at the 2020 census. It is part of the Helena Micropolitan Statistical Area, which includes all of Lewis and Clark and Jefferson counties; its population is 83,058 according to the 2020 Census.The settlement became East Helena in 1889, after the construction of the Helena & Livingston Smelting & Reduction Company’s smelter. == Geography == East Helena is located at 46°35′23″N 111°55′0″W (46.589856, -111.916798).According to the United States Census Bureau, the city has a total area of 1.74 square miles (4.51 km2), of which 1.73 square miles (4.48 km2) is land and 0.01 square miles (0.03 km2) is water. === Climate === According to the Köppen Climate Classification system, East Helena has a semi-arid climate, abbreviated "BSk" on climate maps.