Costa Mesa city, California
Official LSAD Designation: Costa Mesa city • Census GEOID: 0616532
• Orange County
Costa Mesa city is an incorporated city in Orange County, California. According to official records from the Census (2025), Costa Mesa city had an estimated population of 108,881 residents. Official Census Bureau geographic records classify this community under LSAD designation Costa Mesa city (GEOID 0616532).
Local Government Administration U.S. Census Bureau GMAF
City Of Costa Mesa
Municipal
Official Title:
Mayor
Address:
PO BOX 1200, COSTA MESA CA 92628-1200
County Of Orange
County
Official Title:
Manager, Special Projects
Address:
331 W SANTA ANA BLVD, SANTA ANA CA 92701
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 108,881 | 2025 |
| Median Household Income | $111,505 | 2020-2024 |
| Median Home Value | $1,115,100 | 2020-2024 |
| Land Area | 15.81 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).