According to the United States Census Bureau, the town has a total area of. Although the Bureau states there is no water, the lake covers about 1600 acres.
Demographics
2010
The 2010 United States Census reported that Little Grass Valley had a population of 2. The population density was 0.2 people per square mile. The racial makeup of Little Grass Valley was 2 White, 0 African American, 0 Native American, 0 Asian, 0 Pacific Islander, 0 from other races, and 0 from two or more races. Hispanic or Latino of any race were 0 persons. The Census reported that 2 people lived in households, 0 lived in non-institutionalized group quarters, and 0 were institutionalized. There were 1 households, out of which 0 had children under the age of 18 living in them, 1 were opposite-sex married couplesliving together, 0 had a female householder with no husband present, 0 had a male householder with no wife present. There were 0 unmarried opposite-sex partnerships, and 0 same-sex married couples or partnerships. 0 households were made up of individuals and 0 had someone living alone who was 65 years of age or older. The average household size was 2.00. There were 1 families ; the average family size was 2.00. The population was spread out with 0 people under the age of 18, 0 people aged 18 to 24, 0 people aged 25 to 44, 2 people aged 45 to 64, and 0 people who were 65 years of age or older. The median age was 55.5 years. For every 100 females, there were 100.0 males. For every 100 females age 18 and over, there were 100.0 males. There were 159 housing units at an average density of 15.9 per square mile, of which 1 were owner-occupied, and 0 were occupied by renters. The homeowner vacancy rate was 0%; the rental vacancy rate was 0%. 2 people lived in owner-occupied housing units and 0 people lived in rental housing units.
Pre-2010
Little Grass Valley was initially occupied by the MaiduNative American tribe during the summers. During the California Gold Rush, it became a mining camp. The camp disappeared before 1900, but there are still gold mines in the area. The land in the valley was used to graze cattle and there was a Boy Scout Camp located on the banks of the South Fork of the Feather River. In 1963 the whole area was flooded and a lake filled the valley. Today there are campgrounds all around the lake, cabins on the south side, and it is the center of a snowmobiling area. It is about three miles from La Porte.
Politics
In the state legislature, Little Grass Valley is in, and. Federally, Little Grass Valley is in.
Fowler Lake
About north of Little Grass Valley Lake lies a small, natural lily pond called Fowler Lake. Its coordinates are, and its altitude is.
