South Gull Lake is a census-designated place (CDP) in Ross Township, Kalamazoo County, in the U.S. state of Michigan. It includes the unincorporated communities of Yorkville, Gull Lake, and Midland Park and does not have any legal status as an incorporated municipality. As of the 2020 census, South Gull Lake had a population of 1,179.
Geography
The CDP is in northeastern Kalamazoo County, in the northwest part of Ross Township, and comprises area around the southern and eastern shores of Gull Lake. The lake extends into Richland Township to the west, and the northern tip crosses into Barry County, areas which are outside the CDP. The community of Yorkville is in the southern part of the CDP at the outlet of the lake (), Gull Lake is at the southeast tip of the lake at , and Midland Park is on the eastern side of the lake at . A summer post office named "Yorkville" operated from 1917 to 1939.
M-89 is a state highway that forms the southern edge of the CDP, leading west to Richland and east to Battle Creek. Kalamazoo is 12 miles to the southwest via Richland.
According to the United States Census Bureau, the South Gull Lake CDP has a total area of , of which , or 57.10%, are water. South Gull Lake drains from its outlet at Yorkville via Gull Creek south to the Kalamazoo River.
Demographics
As of the census