 The 2010 United States census reported Groveland's population was 601.Groveland was created as a CDP prior to the 2010 census; previously it was part of Groveland-Big Oak Flat CDP.Groveland has always been an important stop on the highway to Yosemite but really grew in the early 1900s with the development of the Tuolumne River Hetch-Hetchy water project for the city of San Francisco.