Acalanes Ridge, California

Acalanes Ridge
Unincorporated Community
Census Designated Place
Acalanes Ridge is located in California
Acalanes Ridge
Acalanes Ridge
Position in California.
Acalanes Ridge is located in the United States
Acalanes Ridge
Acalanes Ridge
Acalanes Ridge (the United States)
Coordinates: 37°54′17″N 122°04′43″W / 37.90472°N 122.07861°W / 37.90472; -122.07861
Country United States
State California
CountyContra Costa
Area
[1]
 • Total
0.46 sq mi (1.19 km2)
 • Land0.46 sq mi (1.19 km2)
 • Water0 sq mi (0.00 km2)  0%
Elevation
[2]
750 ft (230 m)
Population
 (2020)
 • Total
1,285
 • Density2,788/sq mi (1,076.6/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
FIPS code06-00135
GNIS feature ID2582926
U.S. Geological Survey Geographic Names Information System: Acalanes Ridge, California

Acalanes Ridge is a census-designated place[2] in Contra Costa County, California. Acalanes Ridge sits at an elevation of 499 feet (152 m).[2] The population was 1,285 at the 2020 Census.

Acalanes Ridge was created a census-designated place for the 2010 census, and comes alphabetically first among all census-designated places in California.[1]

History

Acalanes Ridge is named after the area's historical Native American residents, the Sacalanes.[3]

Demographics

Historical population
CensusPop.Note%±
20101,137—
20201,28513.0%
U.S. Decennial Census[4]
1860–1870[5][6] 1880-1890[7]
1900[8] 1910[9] 1920[10]
1930[11] 1940[12] 1950[13]
1960[14][15] 1970[16] 1980[17]
1990[18] 2000[19] 2010[20]
2020

Acalanes Ridge first appeared as a census designated place in the 2010 U.S. census formed from part of Walnut Creek city and additional area.[21]

Acalanes Ridge CDP, California – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 2010[22] Pop 2020[23] % 2010 % 2020
White alone (NH) 908 918 79.86% 71.44%
Black or African American alone (NH) 5 9 0.44% 0.70%
Native American or Alaska Native alone (NH) 6 1 0.53% 0.08%
Asian alone (NH) 125 175 10.99% 13.62%
Native Hawaiian or Pacific Islander alone (NH) 2 0 0.18% 0.00%
Other race alone (NH) 5 8 0.44% 0.62%
Mixed race or Multiracial (NH) 36 67 3.17% 5.21%
Hispanic or Latino (any race) 50 107 4.40% 8.33%
Total 1,137 1,285 100.00% 100.00%

The 2020 United States census reported that Acalanes Ridge had a population of 1,285. The population density was 2,787.4 inhabitants per square mile (1,076.2/km2). The racial makeup of Acalanes Ridge was 73.0% White, 0.8% African American, 0.5% Native American, 14.0% Asian, 0.0% Pacific Islander, 1.4% from other races, and 10.4% from two or more races. Hispanic or Latino of any race were 8.3% of the population.

The Census reported that 100% of the population lived in households.

There were 475 households, out of which 34.7% included children under the age of 18, 66.3% were married-couple households, 3.2% were cohabiting couple households, 17.7% had a female householder with no partner present, and 12.8% had a male householder with no partner present. 18.5% of households were one person, and 9.7% were one person aged 65 or older. The average household size was 2.71. There were 376 families (79.2% of all households).

The age distribution was 20.9% under the age of 18, 6.7% aged 18 to 24, 18.7% aged 25 to 44, 30.0% aged 45 to 64, and 23.7% who were 65 years of age or older. The median age was 47.6 years. For every 100 females, there were 99.5 males.

There were 487 housing units at an average density of 1,056.4 units per square mile (407.9 units/km2), of which 475 (97.5%) were occupied. Of these, 86.7% were owner-occupied, and 13.3% were occupied by renters.[24][25]

Education

Most of Acalanes Ridge is in the Walnut Creek Elementary School District while some is in the Lafayette Elementary School District. All of Acalanes Ridge is in the Acalanes Union High School District.[26]

References

  1. ^ a b "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved November 8, 2021.
  2. ^ a b c "Acalanes Ridge Census Designated Place". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  3. ^ Erwin G. Gudde; William Bright (May 10, 2004). California Place Names: The Origin and Etymology of Current Geographical Names. University of California Press. p. 3. ISBN 978-0-520-24217-3. Retrieved January 20, 2012.
  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. ^ "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. ^ "2010 Census Interactive Population Search: CA - Acalanes Ridge CDP". U.S. Census Bureau. Archived from the original on July 14, 2014. Retrieved July 12, 2014.
  22. ^ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Acalanes Ridge CDP, California". United States Census Bureau.
  23. ^ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Acalanes Ridge CDP, California". United States Census Bureau.
  24. ^ "Acalanes Ridge CDP, California; DP1: Profile of General Population and Housing Characteristics - 2020 Census of Population and Housing". US Census Bureau. Retrieved March 26, 2025.
  25. ^ "Acalanes Ridge CDP, California; P16: Household Type - 2020 Census of Population and Housing". US Census Bureau. Retrieved March 26, 2025.
  26. ^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Contra Costa County, CA" (PDF). U.S. Census Bureau. Retrieved December 25, 2022.
allikas: https://en.wikipedia.org/wiki/Acalanes_Ridge,_California