Visalia is a city in the agricultural San Joaquin Valley of California. The population was 141,384 as per the 2020 census. Visalia is the fifth-most populous city in the San Joaquin Valley, the 38th most populous in California, and 183rd in the United States. As the county seat of Tulare County, Visalia serves as the economic and governmental center to one of the most productive agricultural counties in the country.