Arvin is a city in Kern County, California, United States. Arvin is located 15 miles southeast of Bakersfield, at an elevation of 449 feet. As of the 2…Arvin is a city in Kern County, California, United States. Arvin is located 15 miles southeast of Bakersfield, at an elevation of 449 feet. As of the 2020 census, the population was 19,495, up from 19,304 at the 2010 census.