ZIP codes
2
St. Marie, MT Demographics & ZIP Codes
St. Marie, Montana demographics and median household income by ZIP code (in Valley County) — 2 ZIP codes — population 4,834 — median income $55,143 — avg. home value $237,700. Compare income, housing, and population across ZIP codes on US5.
Population
4,834
Median household income (avg.)
$55,143
73% of U.S. median
Average home value
$237,700
68% of U.S. median
Average rent
$710
61% of U.S. median
Median age (avg.)
42.2
St. Marie demographics
St. Marie, Montana covers 2 ZIP codes primarily in Valley County, with a combined ZIP-area population of about 4,834.
Across ZIP codes with age data, the average median age is about 42.2 years.
Median household income in St. Marie
The average median household income across ZIP codes in St. Marie, Montana is about $55,143 — about 19% below the MT ZIP average ($68,385), and about 27% below the U.S. median ($75,149).
Among ZIPs with income data, 59230 is near the top at about $72,161, while 59231 is near the bottom at about $38,125.
Housing in St. Marie
For housing in St. Marie, Montana, the average median home value is about $237,700 and the average median rent is about $710.
The most populous ZIP in this set is 59230 (about 4,515 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in St. Marie
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 59230 | St. Marie | Valley County | MT | 4,515 | $72,161 | $237,700 |
| 59231 | St. Marie | Valley County | MT | 319 | $38,125 | — |
Frequently asked questions
What are the demographics of St. Marie?
St. Marie, Montana has a combined ZIP-area population of about 4,834 across 2 ZIP codes (primarily Valley County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in St. Marie?
The average median household income across ZIP codes in St. Marie, Montana is about $55,143, about 19% below the state ZIP average ($68,385), and about 27% below the U.S. median ($75,149). Average median home value is about $237,700. Among ZIPs with data, 59230 is near the top ($72,161) and 59231 is near the bottom ($38,125).
How many ZIP codes are in St. Marie?
St. Marie, Montana includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for St. Marie?
This page lists ZIP codes in St. Marie, Montana with population, median household income, and home value. Select a ZIP for a full demographics profile.