Lebec is a census-designated place in Kern County, California, United States. The population was 1,285 at the 2000 census. Lebec will soon be the home of only the second In n Out on the I-5 corridor between Santa Clarita and Lathrop, a distance of nearly 300 miles. Lebec apartments for rent comparison page shows most up to date rent information on Lebec apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.