Rainbow is a cdp located in San Diego County, in the state of California (CA), United States. Nestled in the Pacific division of the West region, it covers an area of 16.1 square miles (42.0 km²) and sits at an elevation of N/A. With a population of approximately 2,026 residents, Rainbow offers a peaceful, rural atmosphere.
The town's population is composed of about 52.17% males and 47.83% females, and it has a population density of 125.84 people per square mile (48.59/km²). Rainbow lies at a latitude of 33.41 and a longitude of -117.15, operating in the UTC-8.
Locals reflect a blend of American ancestry, with roots primarily in United States (3.5%), followed by English (12.2%), German (16.4%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 92028.