| Place Name | Trimountain |
| Place Type | Census Designated Place |
| ZIP Code(s) | 49905 49955 |
| County | Houghton County |
| Area Code(s) | 906 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 188 |
| Majority Ethnicity | White 93.92% |
| Metro/Micro Stats Area | Houghton, MI |
| US Congressional District(s) | Michigan 1st |
| State House Districts | 110 |
| State Senate Districts | 38 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.92% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.08% |