CDP in Valley County, Montana · 22.9 sq mi · 14 people per sq mi
About 330 people live in St. Marie. The typical household earns $38,971, and the median resident is 37.9 years old.
2026 projection
From 325 in 2020
Poverty rate 23.86%
Men 38.4 · Women 36.7
2011–2026
332
2026 projection
2.2% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2011–2026
332
2026 projection
2.2% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 332 | +5 | 1.53% |
|---|---|---|---|
| 2025 | 327 | +8 | 1.25% |
| 2023 | 319 | -109 | 25.47% |
| 2022 | 428 | +55 | 14.75% |
| 2021 | 373 | +48 | 14.77% |
| 2020 | 325 | -145 | 30.85% |
| 2019 | 470 | -19 | 3.89% |
| 2018 | 489 | -49 | 9.11% |
| 2017 | 538 | -60 | 10.03% |
| 2016 | 598 | -21 | 3.39% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 3 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 4 residents
18% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 18% | 27% | 14% |
| Never married | 61% | 54% | 64% |
| Divorced | 7% | 19% | 2% |
| Widowed | 13% | 0% | 19% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau