Visalia ( vy-SAYL-yə, vih-) 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-largest city in the San Joaquin Valley, the 40th most populous in California, and 192nd 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.