Alhambra Valley, California

Alhambra Valley
census-designated place
Alhambra Valley is located in California
Alhambra Valley
Alhambra Valley
Position in California.
Coordinates: 37°58′07″N 122°08′11″W / 37.96861°N 122.13639°W / 37.96861; -122.13639
Country United States
State California
CountyContra Costa (Briones Hills)
Area
 • Total
1.61 sq mi (4.18 km2)
 • Land1.61 sq mi (4.18 km2)
 • Water0 sq mi (0.00 km2)  0%
Elevation
525 ft (160 m)
Population
 (2020)
 • Total
805
 • Density498.6/sq mi (192.51/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
FIPS code06-00898
GNIS feature ID2582930

Alhambra Valley (/ɑːlˈhɑːmbrə/ ⓘ, Spanish: [aˈlambɾa]) is a census-designated place in the Briones Hills of central Contra Costa County, California, United States. Alhambra Valley sits at an elevation of 525 feet (160 m). The 2020 United States census reported that Alhambra Valley's population was 805. The Spanish name of the valley was Cañada del Hambre "Valley of Hunger"; it was adapted into English with obvious influence from "Alhambra".

Geography

According to the United States Census Bureau, the CDP has a total area of 1.61 square miles (4.18 km2), all land.

Demographics

Historical population
CensusPop.Note%±
2010924—
2020805−12.9%
U.S. Decennial Census
1860–1870 1880-1890
1900 1910 1920
1930 1940 1950
1960 1970 1980
1990 2000 2010

Alhambra Valley first appeared as a census designated place in the 2010 U.S. census.

2020 census

As of the 2020 census, Alhambra Valley had a population of 805, with a population density of 498.8 inhabitants per square mile (192.6/km2). The median age was 53.1 years. The age distribution was 17.6% under the age of 18, 6.6% aged 18 to 24, 16.6% aged 25 to 44, 31.4% aged 45 to 64, and 27.7% who were 65 years of age or older. For every 100 females there were 95.4 males, and for every 100 females age 18 and over there were 96.2 males age 18 and over.

The census reported that 100% of the population lived in households. 84.6% of residents lived in urban areas, while 15.4% lived in rural areas.

There were 308 households, of which 23.1% had children under the age of 18 living in them. Of all households, 66.9% were married-couple households, 3.9% were cohabiting couple households, 11.4% had a male householder with no partner present, and 17.9% had a female householder with no partner present. About 15.9% of all households were made up of individuals, and 11.0% had someone living alone who was 65 years of age or older. The average household size was 2.61. There were 252 families (81.8% of all households).

There were 319 housing units at an average density of 197.6 units per square mile (76.3 units/km2), of which 308 (96.6%) were occupied. Of these, 93.2% were owner-occupied, and 6.8% were occupied by renters. Of all housing units, 3.4% were vacant; the homeowner vacancy rate was 0.7% and the rental vacancy rate was 19.2%.

Racial composition as of the 2020 census
RaceNumberPercent
White63178.4%
Black or African American111.4%
American Indian and Alaska Native30.4%
Asian283.5%
Native Hawaiian and Other Pacific Islander30.4%
Some other race324.0%
Two or more races9712.0%
Hispanic or Latino (of any race)10012.4%

Education

The CDP is served by Martinez Unified School District.

References

  1. ↑ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
  2. 1 2 3 4 "Alhambra Valley Census Designated Place". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  3. ↑ Bright, William (1998). 1500 California Place Names: Their Origin and Meaning. Berkeley, CA: University of California Press.
  4. ↑ "Decennial Census by Decade". United States Census Bureau.
  5. ↑ "1870 Census of Population - Population of Civil Divisions less than Counties - California - Almeda County to Sutter County" (PDF). United States Census Bureau. Archived from the original (PDF) on January 26, 2025 – via Wayback Machine.
  6. ↑ "1870 Census of Population - Population of Civil Divisions less than Counties - California - Tehama County to Yuba County" (PDF). United States Census Bureau. Archived from the original (PDF) on February 2, 2025 – via Wayback Machine.
  7. ↑ "1890 Census of Population - Population of California by Minor Civil Divisions" (PDF). United States Census Bureau. Archived from the original (PDF) on March 11, 2025 – via Wayback Machine.
  8. ↑ "1900 Census of Population - Population of California by Counties and Minor Civil Divisions" (PDF). United States Census Bureau. Archived from the original (PDF) on March 4, 2025 – via Wayback Machine.
  9. ↑ "1910 Census of Population - Supplement for California" (PDF). United States Census Bureau. Archived from the original (PDF) on April 4, 2025. Retrieved February 4, 2025 – via Wayback Machine.
  10. ↑ "1920 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on April 28, 2025 – via Wayback Machine.
  11. ↑ "1930 Census of Population - Number and Distribution of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 17, 2025 – via Wayback Machine.
  12. ↑ "1940 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on January 26, 2025 – via Wayback Machine.
  13. ↑ "1950 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on February 19, 2025 – via Wayback Machine.
  14. ↑ "1960 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 22, 2025 – via Wayback Machine.
  15. ↑ "1960 Census of Population - General population Characteristics - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 22, 2025 – via Wayback Machine.
  16. ↑ "1970 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on February 26, 2025 – via Wayback Machine.
  17. ↑ "1980 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau. Archived from the original (PDF) on January 26, 2025 – via Wayback Machine.
  18. ↑ "1990 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau. Archived from the original (PDF) on January 26, 2025 – via Wayback Machine.
  19. ↑ "2000 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 22, 2025 – via Wayback Machine.
  20. 1 2 "2010 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau. Archived from the original (PDF) on March 28, 2025 – via Wayback Machine.
  21. 1 2 3 4 "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved April 26, 2026.
  22. 1 2 "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved April 26, 2026.
  23. ↑ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved April 26, 2026.
  24. ↑ 2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Contra Costa County, CA (PDF) (Map). Suitland, Maryland: U.S. Census Bureau. Retrieved January 24, 2025. - Text list