| Place Name | Costa Mesa |
| Place Type | City |
| ZIP Code(s) | 92626 92627 |
| GEOID | 0616532 |
| County | Orange County |
| Area Code(s) | 949,657,714 |
| Timezone | Pacific Standard Time (PST) |
| Population (2021) | 112,148 |
| Population Growth Rate (2010-19) | 1.78% |
| Majority Ethnicity | White 56.16% |
| Metro/Micro Stats Area | Los Angeles-Long Beach-Anaheim, CA |
| US Congressional District(s) | California 48th |
| State Assembly Districts | 74 |
| State Senate Districts | 37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 56.16% |
| African American | 1.3% |
| Hispanic | 0.63% |
| Asian | 8.42% |
| Native American | 0.55% |
| Hawaiin/Pacific Islander | 32.94% |