Population of Southern California: ~23 Million

Southern California (SoCal) is one of the most populous U.S. regions, with an estimated 23 million residents.

The region encompasses major metropolitan areas including:

• Los Angeles County
• San Diego County
• Orange County
• Riverside-San Bernardino (Inland Empire)
• Ventura County

This dense, economically vital area spans coastal cities, suburbs, and inland valleys.