San Benito is a city in Cameron County, Texas, USA, The population was 23,444 at the 2000 census. It is the birthplace of Country and Tex-Mex music icon Freddy Fender. San Benito celebrated the 100th anniversary of the naming of the city April 3, 2007. San Benito apartments for rent comparison page shows most up to date rent information on San Benito apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.