Helena West Side is a census-designated place (CDP) in Lewis and Clark County, Montana, United States. The population was 1,637 at the 2010 census, down from 1,711 at the 2000 census due to annexation of part of the CDP by the city of Helena. It is part of the Helena Micropolitan Statistical Area.
Zip Codes in Helena West Side, MT that we also serve: 59636 59601 59602