White Rock is a part of the Incorporated County of Los Alamos and is a census-designated place in Los Alamos County, New Mexico, United States. The population was 6,045 at the 2000 census. It is largely a bedroom community for employees of Los Alamos National Laboratory and their families. White Rock apartments for rent comparison page shows most up to date rent information on White Rock apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.