Castle Hill is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

Contra Costa County Contra Costa County (; ''Contra Costa'', Spanish language, Spanish for 'Opposite Coast') is a U.S. county, county located in the U.S. state of California, in the East Bay of the San Francisco Bay Area. As of the 2020 United States census, the ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

. Castle Hill sits at an elevation of . The 2020 United States census reported Castle Hill's population was 1,271.

History

The surrounding area was once inhabited by the Saklans. A Saklan village, which was possibly occupied from 1500 until 1772, is located near the mouth of Tice Creek. It contains multiple bedrock mortars used for processing acorns and other foodstuffs as well as a small spring. Its location along is not far from its confluence with the much larger Las Trampas Creek would have been advantageous to the Saklans who inhabited it. A small plaque marks the site which sits next to the bus stop at Tice Valley Boulevard and Montecillo Drive.

Geography

According to the

United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...

, the CDP has a total area of 0.585 square miles (1.515 km), all of it land.

Demographics

Castle Hill first appeared as a census designated place in the 2010 U.S. Census formed from part of Alamo CDP. The 2020 United States census reported that Castle Hill had a population of 1,271. The population density was . The racial makeup of Castle Hill was 73.8%

White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...

, 0.7%

African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...

, 0.2% Native American, 11.7% Asian, 0.6%

Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...

, 2.2% from other races, and 10.8% from two or more races. Hispanic or Latino of any race were 7.2% of the population. The census reported that 99.1% of the population lived in households, no one lived in non-institutionalized group quarters, and 0.9% were institutionalized. There were 455 households, out of which 32.5% included children under the age of 18, 70.1% were married-couple households, 4.0% were cohabiting couple households, 16.7% had a female householder with no partner present, and 9.2% had a male householder with no partner present. 15.8% of households were one person, and 9.9% were one person aged 65 or older. The average household size was 2.77. There were 365 families (80.2% of all households). The age distribution was 21.7% under the age of 18, 4.2% aged 18 to 24, 16.8% aged 25 to 44, 29.8% aged 45 to 64, and 27.4% who were 65years of age or older. The median age was 49.7years. For every 100 females, there were 93.5 males. There were 479 housing units at an average density of , of which 455 (95.0%) were occupied. Of these, 91.9% were owner-occupied, and 8.1% were occupied by renters.

Education

Castle Hill is in the Walnut Creek Elementary School District and the

Acalanes Union High School District Acalanes Union High School District is a public union high school district, high school district in Contra Costa County, located in the Bay Area of California. The district takes its name from Rancho Acalanes, an 1834 ranchos of California, Me ...

References

{{authority control Census-designated places in Contra Costa County, California Census-designated places in California