Manteca is a city in San Joaquin County, California, USA. As of November 2005, the city population was approximately 61,927 residents. Manteca was well-known in Northern California as the location of The Manteca Waterslides. However, in September of 2004, this waterslide park was closed. Manteca apartments for rent comparison page shows most up to date rent information on Manteca apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.