King City is an affluent, unincorporated village in King Township, Ontario, Canada, located just north of Toronto. It is the largest community in King Township. Originally a small settlement styled Springhill, King City has slowly grown since the arrival of the railway in 1853. King City is characterized by rolling hills and clustered temperate forests. Numerous kettle lakes and ponds dot the area. Creeks and streams from this region are the origin for the East Humber River (as are the streams from as far west as Bolton and as far east as Stouffville).