Pismo Beach is a city in San Luis Obispo County, in the Central Coast area of California, United States. The estimated population was 8,213 in 2018, up from 7,655 in the 2010 census. It is part of the Five Cities Area, a cluster of cities in that area of San Luis Obispo County. The “Five Cities” is actually only three cities; Grover Beach, Pismo Beach, and Arroyo Grande. Oceano is a Community Service District and Shell Beach is part of Pismo Beach. (The portion of Arroyo Grande that is west of US 101, was originally a separate town called “Fair Oaks” and may have been counted in the original “Five Cities”.)