East Porterville is an unincorporated community in Tulare County, California, United States. Adjacent to the city of Porterville, the community lies by the Sierra Nevada foothills. The population was 5,549 at the 2020 census, down from 7,331 at the 2010 census. For statistical purposes, the United States Census Bureau has defined East Porterville as a census-designated place (CDP). The census definition of the area may not precisely correspond to local understanding of the area with the same name.