Population of Happy Valley, California as of October 2025. How many people live in Happy Valley today?

The exact population of Happy Valley, California as of October 2025 is estimated at 6,132 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Happy Valley.

Check out more data on population in California:

• Population of Modesto
• Population of Oxnard
• Population of San Diego
• Population of Long Beach
• Population of Huntington Beach
• Population of Garden Grove
• Population of Ontario
• Population of Lancaster
• Population of Pomona
• Population of Torrance
• Population of Fullerton
• Population of Concord
• Population of Berkeley
• Population of Ventura
• Population of Richmond
• Population of Santa Maria
• Population of El Cajon