Alamosa city, Colorado
Official LSAD Designation: Alamosa city • Census GEOID: 0801090
• Alamosa County
Alamosa city is an incorporated city in Alamosa County, Colorado. According to official records from the Census (2025), Alamosa city had an estimated population of 9,849 residents. Official Census Bureau geographic records classify this community under LSAD designation Alamosa city (GEOID 0801090).
Local Government Administration U.S. Census Bureau GMAF
City Of Alamosa
Municipal
Official Title:
Mayor
Address:
PO BOX 419, ALAMOSA CO 81101-0419
County Of Alamosa
County
Official Title:
Chairman
Address:
PO BOX 178, ALAMOSA CO 81101-0178
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 9,849 | 2025 |
| Median Household Income | $49,688 | 2020-2024 |
| Median Home Value | $225,200 | 2020-2024 |
| Land Area | 7.96 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).