Rancho Santa Margarita city, California
Official LSAD Designation: Rancho Santa Margarita city • Census GEOID: 0659587
• Orange County
Rancho Santa Margarita city is an incorporated city in Orange County, California. According to official records from the Census (2025), Rancho Santa Margarita city had an estimated population of 45,779 residents. Official Census Bureau geographic records classify this community under LSAD designation Rancho Santa Margarita city (GEOID 0659587).
Local Government Administration U.S. Census Bureau GMAF
City Of Rancho Santa Margarita
Municipal
Official Title:
City Manager
Address:
22112 EL PASEO, RANCHO SANTA MARGARITA CA 92688-2824
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 | 45,779 | 2025 |
| Median Household Income | $152,560 | 2020-2024 |
| Median Home Value | $971,200 | 2020-2024 |
| Land Area | 12.89 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).