Salinas is a city in the U.S. state of California and the county seat of Monterey County. With a population of 163,542 in the 2020 Census, Salinas is the most populous city in Monterey County. Salinas is an urban area located along the eastern limits of the Monterey Bay Area, lying just south of the San Francisco Bay Area and 10 miles southeast of the mouth of the Salinas River.