Monument city, Oregon
Official LSAD Designation: Monument city • Census GEOID: 4149750
• Grant County
Monument city is an incorporated city in Grant County, Oregon. According to official records from the Census (2025), Monument city had an estimated population of 112 residents. Official Census Bureau geographic records classify this community under LSAD designation Monument city (GEOID 4149750).
Local Government Administration U.S. Census Bureau GMAF
City Of Monument
Municipal
Official Title:
Mayor
Address:
PO BOX 426, MONUMENT OR 97864-0426
County Of Grant
County
Official Title:
County Court Secretary
Address:
201 S HUMBOLT ST, STE 280, CANYON CITY OR 97820-6192
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 112 | 2025 |
| Median Household Income | $38,419 | 2020-2024 |
| Median Home Value | $2,000,000+ | 2020-2024 |
| Land Area | 0.51 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).