Littlerock is a census-designated place in Los Angeles County, California, United States. The population was 1,377 at the 2010 census, down from 1,402 at the 2000 census. The Littlerock, and Sun Village community, which is typically referred to as Littlerock, has a population around 15,000. According to the Greater Antelope Valley Economic Alliance report of 2009, the Palmdale / Lancaster urban area has a population of 483,998, which Littlerock is a part of.Littlerock is named after the Little Rock Wash that passes through the area and is known as "The Fruit Basket of the Antelope Valley." There were orchards of fruit trees such as almonds, apples, peaches, and pears, along the side of the roads around Highway 138.