Looking at where people with confirmed cases live, the most have been in:
- Santa Ana: 858
- Anaheim: 758
- Huntington Beach: 307
The places with the most confirmed cases relative to their population are:
- Los Alamitos: 53.7 per 10,000 residents
- Santa Ana: 25.4 per 10,000 residents
- Anaheim: 21.1 per 10,000 residents