59231 Frequently Asked Questions

A: ZIP Code 59231 is Located in Saint Marie Montana. Portions of 59231 are also in St. Marie.

A: ZIP Code 59231 is Located Entirely in Valley County Montana.

A: The Area Code for 59231 is 406.

A: ZIP Code 59231 is in the Montana 2nd Congressional District.

A: ZIP Code 59231 is in Montana State House of Representatives District 34.

A: ZIP Code 59231 is in Montana State Senate District 17.

A: The 2022 population of ZIP Code 59231 is 428. The population growth rate in 59231 is -30.67%. The population density of 59231 is 6,068.

A: The majority race/ethnicity of people residing in 59231 is White (90.70%).

A: The median household income in 59231 is $37,344 (2021) and the average adjusted income is $-1 ().