Cases reported by day
| CITY | POPULATION1 | TOTAL CASES |
| Aliso Viejo | 51,372 | 13 |
| Anaheim | 359,339 | 148 |
| Brea | 45,606 | 12 |
| Buena Park | 83,384 | 43 |
| Costa Mesa | 115,830 | 26 |
| Coto de Caza | 14,931 | 5 |
| Cypress | 49,833 | 31 |
| Dana Point | 34,249 | 12 |
| Fountain Valley | 56,652 | 20 |
| Fullerton | 142,824 | 37 |
| Garden Grove | 175,155 | 37 |
| Huntington Beach | 203,761 | 87 |
| Irvine | 280,202 | 100 |
| La Habra | 63,542 | 29 |
| La Palma | 15,820 | 12 |
| Ladera Ranch | 30,288 | 9 |
| Laguna Beach | 23,358 | 37 |
| Laguna Hills | 31,572 | 13 |
| Laguna Niguel | 66,748 | 28 |
| Laguna Woods | 16,518 | 7 |
| Lake Forest | 86,346 | 23 |
| Mission Viejo | 96,434 | 34 |
| Newport Beach | 87,180 | 85 |
| Orange | 141,691 | 46 |
| Placentia | 52,333 | 27 |
| Rancho Santa Margarita | 48,960 | 11 |
| San Clemente | 65,405 | 44 |
| San Juan Capistrano | 36,821 | 21 |
| Santa Ana | 337,716 | 114 |
| Seal Beach | 25,073 | 5 |
| Stanton | 39,307 | 5 |
| Trabuco Canyon | Not Available | 8 |
| Tustin | 81,369 | 30 |
| Villa Park | 5,933 | 5 |
| Westminster | 92,610 | 21 |
| Yorba Linda | 68,706 | 38 |
| Other* | 95,630 | 12 |
| Unknown** | 48 | |
| All of Orange County | 3,222,498 | 1,283 |
