Tulare County is located in the Central Valley of the U.S. state of California, south of Fresno. Sequoia National Park is located in the county. As of 2007 the population estimate was 429,006. Its county seat is Visalia. The county is named for Tulare Lake, once the largest freshwater lake west of the Great Lakes. The county has a total area of 4,839 mi², 99.7% of it is land and 0.3% of it is water. Milk brings in the most revenue for the county typically more than US$1 billion a year annually. Oranges, grapes, and cattle-related commodities also bring in millions of dollars annually.