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2 Geography 3 Demographics |
On March 30, 1840 Jose de la Luz Linares founded the Rancho Los Nogales (Ranch of the Walnut Trees) on a Mexican land grant of 4,340 acres deeded to him by Governor Juan Alvarado, which included Brea Canyon and the eastern Walnut Valley.
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According to the United States Census Bureau, the city has a total area of 38.2 km² (14.8 mi²). 38.2 km² (14.8 mi²) of it is land and none of it is covered by water.
There are 17,651 households out of which 44.4% have children under the age of 18 living with them, 68.3% are married couples living together, 11.1% have a female householder with no husband present, and 16.1% are non-families. 12.5% of all households are made up of individuals and 2.7% have someone living alone who is 65 years of age or older. The average household size is 3.18 and the average family size is 3.47.
In the city the population is spread out with 27.0% under the age of 18, 8.8% from 18 to 24, 29.6% from 25 to 44, 27.2% from 45 to 64, and 7.5% who are 65 years of age or older. The median age is 36 years. For every 100 females there are 96.0 males. For every 100 females age 18 and over, there are 92.0 males.
The median income for a household in the city is $68,871, and the median income for a family is $71,911. Males have a median income of $51,059 versus $37,002 for females. The per capita income for the city is $25,472. 6.0% of the population and 5.0% of families are below the poverty line. Out of the total people living in poverty, 5.1% are under the age of 18 and 6.1% are 65 or older.History and Culture
Geography
Diamond Bar is located at 34°0'6" North, 117°49'15" West (34.001652, -117.820761)1.Demographics
As of the census of 2000, there are 56,287 people, 17,651 households, and 14,809 families residing in the city. The population density is 1,472.4/km² (3,813.2/mi²). There are 17,959 housing units at an average density of 469.8/km² (1,216.7/mi²). The racial makeup of the city is 41.05% White, 4.76% African American, 0.33% Native American, 42.76% Asian, 0.12% Pacific Islander, 6.78% from other races, and 4.21% from two or more races. 18.46% of the population are Hispanic or Latino of any race.