Montclair city, California
Official LSAD Designation: Montclair city • Census GEOID: 0648788
• San Bernardino County
Montclair city is an incorporated city in San Bernardino County, California. According to official records from the Census (2025), Montclair city had an estimated population of 37,563 residents. Official Census Bureau geographic records classify this community under LSAD designation Montclair city (GEOID 0648788).
Local Government Administration U.S. Census Bureau GMAF
City Of Montclair
Municipal
Official Title:
Community Development Director
Address:
PO BOX 2308, MONTCLAIR CA 91763-0808
County Of San Bernardino
County
Official Title:
Chairman
Address:
385 N ARROWHEAD AVE, FL 5, SAN BERNARDINO CA 92415-0110
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 37,563 | 2025 |
| Median Household Income | $77,659 | 2020-2024 |
| Median Home Value | $569,100 | 2020-2024 |
| Land Area | 5.52 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).