Lakeland South is a census-designated place (CDP) in King County, Washington, United States. The population was 13,169 at the 2020 census.
Based on per capita income, one of the more reliable measures of affluence, Lakeland South ranks 65th of 522 areas in the state of Washington to be ranked.
Geography
Lakeland South is located in southwestern King County and is bordered to the north and west by the city of Federal Way, to the northeast by Auburn, to the east by Algona and Pacific, and to the south by Milton and Edgewood. The boundary with Edgewood is the Pierce County line. Interstate 5 touches the northwest edge of the community, Washington State Route 18 runs along the northern edge, and State Route 167 runs just east of the eastern edge. Downtown Tacoma is to the west, and downtown Seattle is to the north.
thumb|Visible in this aerial photo is [[Lake Geneva (Washington)|Lake Geneva (in the northeast), Lake Killarney (directly southwest of Lake Geneva), Fivemile Lake (the largest lake in the image), and Trout Lake (to the southeast of Fivemile Lake).]]
According to the United States Census Bureau, the Lakeland South CDP has a total area of , of which are land and , or 2.84%, are water. Water bodies in the community include Trout Lake, Fivemile Lake, Lake Killarney, and Lake Geneva.
Demographics
2020 census
As of the 2020 census, Lakeland South had a population of 13,169. The median age was 39.2 years. 22.4% of residents were under the age of 18 and 14.7% of residents were 65 years of age or older. For every 100 females there were 100.5 males, and for every 100 females age 18 and over there were 101.0 males age 18 and over.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 4,489 households in Lakeland South, of which 32.9% had children under the age of 18 living in them. Of all households, 59.4% were married-couple households, 16.2% were households with a male householder and no spouse or partner present, and 17.4% were households with a female householder and no spouse or partner present. About 17.6% of all households were made up of individuals and 8.0% had someone living alone who was 65 years of age or older.