Population of Camp Pendleton Mainside, California as of March 2026. How many people live in Camp Pendleton Mainside today?

The exact population of Camp Pendleton Mainside, California as of March 2026 is estimated at 5,200 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 Camp Pendleton Mainside.

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