View the Map
Ecosystem Map: San Diego County’s Criminal-Legal and Behavioral Health Systems
San Diego is the second largest county in the State of California with over 3.3 million residents.
San Diego County borders Mexico and has over fifty million pedestrian and vehicle crossings annually — the world’s busiest land-border crossing.
San Diego’s economy is greater than that of twenty-five (25) US states.
San Diego County resides on the former land of the Indigenous Kumeyaay peoples and is home eighteen Indigenous Tribal Nation’s reservations.
2020 Estimated Population
|Area||2020 Pop||Area||2020 Pop|
|Del Mar||4,268||San Diego||1,430,489|
|El Cajon||104,393||San Marcos||97,209|
|Lemon Grove||26,526||Total County||3,343,355|