Lemon Hill is a census-designated place in an unincorporated area of Sacramento County, California, south of the city of Sacramento. Lemon Hill sits at an elevation of 30 feet. The 2010 United States census reported Lemon Hill's population was 13,729. Prior to the 2010 United States census, Lemon Hill was grouped with Parkway and Fruitridge Pocket in the Parkway-South Sacramento, California CDP.