Chinook city, Montana
Official LSAD Designation: Chinook city • Census GEOID: 3014575
• Blaine County
Chinook city is an incorporated city in Blaine County, Montana. According to official records from the Census (2025), Chinook city had an estimated population of 1,155 residents. Official Census Bureau geographic records classify this community under LSAD designation Chinook city (GEOID 3014575).
Local Government Administration U.S. Census Bureau GMAF
City Of Chinook
Municipal
Official Title:
City Clerk/treasurer
Address:
PO BOX 1177, CHINOOK MT 59523-1177
County Of Blaine
County
Official Title:
Chair
Address:
PO BOX 278, CHINOOK MT 59523-0278
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 1,155 | 2025 |
| Median Household Income | $61,750 | 2020-2024 |
| Median Home Value | $214,700 | 2020-2024 |
| Land Area | 0.52 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).