Granite Bay is located at 38°44′55″N121°10′47″W / 38.74861°N 121.17972°W / 38.74861; -121.17972 (38.748504, -121.179793).[4]
According to the United States Census Bureau, the CDP has a total area of 21.6 square miles (56 square kilometers), of which, 21.5 square miles (56 km2) of it is land and 0.04 square miles (0.10 km2) of it (0.20 percent) is water. The place name, Granite Bay, is derived from a bay in Folsom Lake, a reservoir on the east side of the town created in 1955.
The entire town is underlain by granodiorite of the Penryn Pluton of Cretaceous age, hence the geological basis for the place name.
Climate
Granite Bay has a hot-summer Mediterranean climate (Köppen climate classification Csa) that is characterized by cool, wet winters and hot, dry summers (Köppen climate classification Csa).
Cultural Resources
The history of Granite Bay started with the Maidu Indians, and it continued when miners, farmers, and others seeking to do business came during the Gold Rush to strike a fortune. The Granite Bay area was officially recognized on July 28, 1987 by the Board of Supervisors.
The Nisenan, also known as the Southern Maidu, were one of three Maiduan-speaking tribes in the northern half of the Sacramento Valley. The Granite Bay area is located in the ethnographic territory of the Nisenan. The Nisenan lived along the American, Yuba, and Bear Rivers, as well as the Feather River, to which their territory extended.
At the 2010 census Granite Bay had a population of 20,402. The population density was 945.8 inhabitants per square mile (365.2/km2). The racial makeup of Granite Bay was 17,960 (88.0%) White, 148 (0.7%) African American, 138 (0.7%) Native American, 1,152 (5.6%) Asian, 28 (0.1%) Pacific Islander, 222 (1.1%) from other races, and 754 (3.7%) from two or more races. Hispanic or Latino of any race were 1,260 persons (6.2%).[6]
The census reported that 20,353 people (99.8% of the population) lived in households, 38 (0.2%) lived in non-institutionalized group quarters, and 11 (0.1%) were institutionalized.
There were 7,202 households, 2,857 (39.7%) had children under the age of 18 living in them, 5,223 (72.5%) were opposite-sex married couples living together, 473 (6.6%) had a female householder with no husband present, 260 (3.6%) had a male householder with no wife present. There were 201 (2.8%) unmarried opposite-sex partnerships, and 34 (0.5%) same-sex married couples or partnerships. 1,006 households (14.0%) were one person and 521 (7.2%) had someone living alone who was 65 or older. The average household size was 2.83. There were 5,956 families (82.7% of households); the average family size was 3.11.
The age distribution was 5,309 people (26.0%) under the age of 18, 1,300 people (6.4%) aged 18 to 24, 3,206 people (15.7%) aged 25 to 44, 7,621 people (37.4%) aged 45 to 64, and 2,966 people (14.5%) who were 65 or older. The median age was 46.0 years. For every 100 females, there were 98.5 males. For every 100 females age 18 and over, there were 96.2 males.
There were 7,542 housing units at an average density of 349.6 per square mile, of the occupied units 6,414 (89.1%) were owner-occupied and 788 (10.9%) were rented. The homeowner vacancy rate was 1.3%; the rental vacancy rate was 8.8%. 18,270 people (89.6% of the population) lived in owner-occupied housing units and 2,083 people (10.2%) lived in rental housing units.
2000
At the 2000 census there were 19,388 people, 6,474 households, and 5,587 families in the CDP. The population density was 898.2 inhabitants per square mile (346.8/km2). There were 6,626 housing units at an average density of 307.0 per square mile (118.5/km2). The racial makeup of the CDP was 91.40% White, 0.68% Black or African American, 0.58% Native American, 3.53% Asian, 0.08% Pacific Islander, 1.09% from other races, and 2.65% from two or more races. 4.69% of the population were Hispanic or Latino of any race.[7]
Of the 6,474 households 45.1% had children under the age of 18 living with them, 77.0% were married couples living together, 6.3% had a female householder with no husband present, and 13.7% were non-families. 10.6% of households were one person and 3.5% were one person aged 65 or older. The average household size was 3.09 and the average family size was 2.91 The age distribution was 30.8% under the age of 18, 4.7% from 18 to 24, 24.8% from 25 to 44, 30.6% from 45 to 64, and 9.2% 65 or older. The median age was 40 years. For every 100 females, there were 100.2 males. For every 100 females age 18 and over, there were 96.7 males.
According to a 2007 estimate, the median household income was $115,980, and the median family income was $119,874.[8] Males had a median income of $100,000+ versus $73,190 for females. The per capita income for the CDP was $57,970. About 1.5% of families and 2.1% of the population were below the poverty line, including 1.9% of those under age 18 and 2.3% of those age 65 or over. Granite Bay is named top 25 American cities in the nation for highest cost of living.[citation needed]
According to the Sacramento Association of REALTORS, the median price of a detached single family home is $715,000 as of April 2009.
United States
California
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