Riverdale is a cdp located in Fresno County, in the state of California (CA), United States. Nestled in the Pacific division of the West region, it covers an area of 4.0 square miles (10.0 km²) and sits at an elevation of 230 ft. With a population of approximately 2,416 residents, Riverdale offers a peaceful, rural atmosphere.
The town's population is composed of about 50% males and 50% females, and it has a population density of 602.49 people per square mile (232.62/km²). Riverdale lies at a latitude of 36.43 and a longitude of -119.86, operating in the UTC-8.
Locals reflect a blend of American ancestry, with roots primarily in United States (4.2%), followed by English (5.6%), German (5.1%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 93656.