West Whittier-Los Nietos () is a census-designated place (CDP) in Los Angeles County, California, United States, near the San Gabriel River and the San Gabriel River (I-605) Freeway. The population was 25,325 at the 2020 census, down from 25,540 at the 2010 census. The census area consists of separate unincorporated communities of Los Nietos (Spanish for "the grandchildren") and West Whittier.
Geography
West Whittier-Los Nietos is located at (33.976113, -118.069000), or about three miles (5 km) northwest of Whittier.
According to the United States Census Bureau, the CDP has a total area of , all land.