Editing Casa de Oro-Mount Helix, California

{{Use mdy dates|date=July 2023}}
{{Infobox settlement
<!-- Basic info  ---------------->
|official_name            = Casa de Oro-Mount Helix
|nickname                 = 
|settlement_type          = [[Census designated place]]
<!-- images and maps  ----------->
|image_skyline            = 
|image_caption            = 
|image_map                = San_Diego_County_California_Incorporated_and_Unincorporated_areas_Casa_de_Oro-Mount_Helix_Highlighted.svg
|map_caption              = Location in [[San Diego County, California|San Diego County]] and the state of [[California]]
| pushpin_map = USA
| pushpin_map_caption = Location in the United States
<!-- Location ------------------>
|subdivision_type         = [[List of sovereign states|Country]]
|subdivision_name         = {{USA}}
|subdivision_type1        = [[U.S. state|State]]
|subdivision_name1        = {{flag|California}}
|subdivision_type2        = [[List of counties in California|County]]
|subdivision_name2        = {{flagicon image|Flag_of_San_Diego_County,_California.png}} [[San Diego County, California|San Diego]]
|established_title        = <!-- Settled -->
|established_date         = 
<!-- Area------------------>
| unit_pref               = Imperial
| area_footnotes          = <ref name="CenPopGazetteer2020">{{cite web|title=2020 U.S. Gazetteer Files|url=https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2020_Gazetteer/2020_gaz_place_06.txt|publisher=United States Census Bureau|accessdate=October 30, 2021}}</ref>
| area_total_sq_mi        = 6.85
| area_land_sq_mi         = 6.85
| area_water_sq_mi        = 0.00
| area_total_km2          = 17.74
| area_land_km2           = 17.74
| area_water_km2          = 0.00
| area_water_percent      = 0
|area_metro_km2           = 
|area_metro_sq_mi         = 
<!-- Population   ----------------------->
|population_est = 
|population_density_km2 = 1103.25
|population_as_of         = [[2020 United States census|2020]]
|population_footnotes     = {{citation needed|date=July 2023}}
|population_total         = 19576
|population_density_sq_mi = 2857.39
|population_metro         = 
|population_density_metro_sq_mi   = 
<!-- General information  --------------->
|timezone                 = [[Pacific Time Zone|Pacific]]
|utc_offset               = -8
|timezone_DST             = [[Pacific Daylight Time|PDT]]
|utc_offset_DST           = -7
|coordinates              = {{coord|32|45|48|N|116|58|39|W|region:US_type:city|display=inline,title}}
|elevation_footnotes      = <!--for references: use <ref> </ref> tags-->
|elevation_m              = 
|elevation_ft             = 
<!-- Area/postal codes & others -------->
|postal_code_type         = [[ZIP code]]s
|postal_code              = 91941, 91977, 92020
|area_code_type           = [[North American Numbering Plan|Area code]]
|area_code                = [[Area code 619|619]]
|blank_name               = [[Federal Information Processing Standard|FIPS]] code
|blank_info               = {{FIPS|06|11691}}
|blank1_name              = [[Geographic Names Information System|GNIS]] feature ID
|blank1_info              = {{GNIS 4|2407979}}
|pop_est_as_of = 
|pop_est_footnotes = 
}}

'''Casa de Oro-Mount Helix''' is a [[census-designated place]] (CDP) in the [[East County, San Diego|East County]] region of [[San Diego County, California]].

The CDP encompasses several unincorporated neighborhoods near the cities of [[El Cajon, California|El Cajon]] and [[La Mesa, California|La Mesa]] and the CDP of [[Spring Valley, San Diego County, California|Spring Valley]]. Locations in the northern (Mount Helix) part of the CDP use La Mesa addresses, while locations in the southern (Casa de Oro) part use Spring Valley addresses. Informally, Casa de Oro is often considered to be a part of Spring Valley.

==History==
[[File:Casa-de-Oro-Mount-Helix California Jason Kardos Mt Helix Lifestyles Real Estate Services Santa Sophia Church.jpg|thumb|312x312px|Mount Helix behind the steeple of Santa Sophia Church (inaugurated 1958)]]

In 1872, after a scientist discovered a European snail (''[[Cornu aspersum]],'' formerly ''Helix aspersa'') living on a small mountain, Rufus King Porter, the founder of what is now unincorporated [[Spring Valley, San Diego County, California|Spring Valley, California]], named the peak Mt. Helix.<ref>{{cite book |last=Fetzer |first=Leland |date=2005 |title=San Diego County Place Names A to Z |location=San Diego |publisher=Sunbelt Publications |page=61 |quote=According to the snail theory, the name resulted from a visit made by ... Louis Agassiz, who came to San Diego in August 1872 aboard the research vessel ''Hassler''. He made a collecting trip ... including the Spring Valley area, where he collected specimens of ''Helisx aspersa'', a snail never recorded before in the region ... Rufus K. Porter named the hill in his honor, giving it the snail name ... The snail theory is well authenticated and convincing.}}</ref> Then in 1885, the [[United States Postal Service]] rejected the use of two words for a post office name, so Rufus submitted just the name Helix and also became the first postmaster in Spring Valley; the Helix Post Office was operated out of his home.

Around this same time, [[Hubert Howe Bancroft]] came to the area. He bought the Porters' ranch and also acquired neighboring properties, accumulating about {{convert|500|acre|km2}}. He began calling his property "Helix Farms." Bancroft hired workers to help develop Helix Farms, planting orchards and building structures for his ranch. By the early 1900s, Helix Farms was home to the largest olive ranch in southern California; some of the original olive trees can still be found today. Bancroft died in 1918, and eventually his family sold the property.<ref>{{cite web |url= https://www.sohosandiego.org/tours/housemuseums/bancroft.htm| title=Bancroft Ranch House Museum
 |location=San Diego |quote=Designated California State Historic Landmark No. 626 in 1958, the Bancroft Ranch House was restored and opened as a museum in 1963, the year the Spring Valley Historical Society was founded; the organization purchased the property in 1967.}}</ref>

==Geography==
Casa de Oro-Mount Helix is located at {{Coord|32|45|48|N|116|58|39|W|type:city}} (32.763359, -116.977474).<ref name="GR1">{{cite web|url=https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html|publisher=[[United States Census Bureau]]|access-date=2011-04-23|date=2011-02-12|title=US Gazetteer files: 2010, 2000, and 1990}}</ref>

According to the [[United States Census Bureau]], the CDP has a total area of {{convert|6.9|sqmi|km2}}, all land.

==Demographics==
{{US Census population
|1970= 8723
|1980= 19651
|1990= 30727
|2000= 18874
|2010= 18762
|2020= 19576
|estyear=
|estimate=
|estref=
|align-fn=center
|footnote=U.S. Decennial Census<ref name="DecennialCensus">{{cite web|url=https://www.census.gov/programs-surveys/decennial-census/decade.html|title=Decennial Census by Decade|website=[[United States Census Bureau]]|access-date=}}</ref><br>1860–1870<ref name=1870CensusCA1>{{Cite web|title= 1870 Census of Population - Population of Civil Divisions less than Counties - California - Almeda County to Sutter County |url=https://www2.census.gov/library/publications/decennial/1870/population/1870a-12.pdf|website=[[United States Census Bureau]]}}</ref><ref name=1870CensusCA2>{{Cite web|title= 1870 Census of Population - Population of Civil Divisions less than Counties - California - Tehama County to Yuba County  |url=https://www2.census.gov/library/publications/decennial/1870/population/1870a-13.pdf|website=[[United States Census Bureau]]}}</ref> 1880-1890<ref name=1890CensusCA>{{Cite web|title= 1890 Census of Population - Population of California by Minor Civil Divisions |url=https://www2.census.gov/library/publications/decennial/1890/bulletins/demographics/134-population-of-ca.pdf|website=[[United States Census Bureau]]}}</ref><br> 1900<ref name=1900CensusCA>{{Cite web|title= 1900 Census of Population - Population of California by Counties and Minor Civil Divisions |url=https://www2.census.gov/library/publications/decennial/1900/bulletins/demographic/10-population-ca.pdf|website=[[United States Census Bureau]]}}</ref> 1910<ref name=1910CensusCA>{{Cite web|title= 1910 Census of Population - Supplement for California |url=https://www2.census.gov/library/publications/decennial/1910/abstract/supplement-ca.pdf|website=[[United States Census Bureau]]}}</ref> 1920<ref name=1920CensusCA>{{Cite web|title= 1920 Census of Population - Number of Inhabitants - California |url=https://www2.census.gov/library/publications/decennial/1920/bulletins/demographics/population-ca-number-of-inhabitants.pdf|website=[[United States Census Bureau]]}}</ref><br> 1930<ref name=1930CensusCA>{{Cite web|title= 1930 Census of Population - Number and Distribution of Inhabitants - California |url=https://www2.census.gov/library/publications/decennial/1930/population-volume-1/03815512v1ch03.pdf|website=[[United States Census Bureau]]}}</ref> 1940<ref name=1940CensusCA>{{Cite web|title= 1940 Census of Population - Number of Inhabitants - California |url=https://www2.census.gov/library/publications/decennial/1940/population-volume-1/33973538v1ch03.pdf|website=[[United States Census Bureau]]}}</ref> 1950<ref name=1950CensusCA>{{Cite web|title= 1950 Census of Population - Number of Inhabitants - California |url=https://www2.census.gov/library/publications/decennial/1950/population-volume-1/vol-01-08.pdf|website=[[United States Census Bureau]]}}</ref><br> 1960<ref name=1960CensusCA1>{{Cite web|title= 1960 Census of Population - General population Characteristics - California |url=https://www2.census.gov/library/publications/decennial/1960/population-volume-1/vol-01-06-d.pdf|website=[[United States Census Bureau]]}}</ref><ref name=1960CensusCA2>{{Cite web|title= 1960 Census of Population - Number of Inhabitants - California |url=https://www2.census.gov/library/publications/decennial/1960/population-volume-1/vol-01-06-c.pdf|website=[[United States Census Bureau]]}}</ref> 1970<ref name=1970CensusCA>{{Cite web|title= 1970 Census of Population - Number of Inhabitants - California |url=https://www2.census.gov/prod2/decennial/documents/1970a_ca1-01.pdf|website=[[United States Census Bureau]]}}</ref> 1980<ref name=1980CensusCA>{{Cite web|title= 1980 Census of Population - Number of Inhabitants - California |url=https://www2.census.gov/prod2/decennial/documents/1980a_caAB-01.pdf|website=[[United States Census Bureau]]}}</ref><br> 1990<ref name=1990CensusCA>{{Cite web|title= 1990 Census of Population - Population and Housing Unit Counts - California |url=https://www2.census.gov/prod2/cen1990/cph2/cph-2-6.pdf|website=[[United States Census Bureau]]}}</ref>
2000<ref name=2000CensusCA>{{Cite web|title= 2000 Census of Population - Population and Housing Unit Counts - California |url=https://www2.census.gov/library/publications/2003/dec/phc-3-6.pdf|website=[[United States Census Bureau]]}}</ref> 2010<ref name=2010CensusCA>{{Cite web|title= 2010 Census of Population - Population and Housing Unit Counts - California |url=https://www2.census.gov/library/publications/decennial/2010/cph-2/cph-2-6.pdf|website=[[United States Census Bureau]]}}</ref><br> 2020<ref name=2020CensusP2/><br> As Grossmont-Mt. Helix in 1970
}}

Casa de Oro-Mount Helix first appeared as an [[unincorporated place]] under the name '''Grossmont-Mt. Helix''' in the [[1970 U.S. Census]];<ref name=1970CensusCA/> and then as a [[census designated place]] under the name '''Casa de Oro-Mount Helix''' in the [[1980 U.S. Census]].<ref name=1970CensusCA/>

===2020===
{| class="wikitable" style="text-align:center;"
|+'''Casa de Oro-Mount Helix CDP, California – Racial and ethnic composition'''<br><small>{{nobold|''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.''}}</small>
!Race / Ethnicity <small>(''NH = Non-Hispanic'')</small>
!Pop 2000<ref name=2000CensusP004>{{Cite web|title=P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Casa de Oro-Mount Helix CDP, California |url=https://data.census.gov/table?g=160XX00US0611691&tid=DECENNIALSF12000.P004|website=[[United States Census Bureau]] |access-date= }}</ref>
!Pop 2010<ref name=2010CensusP2>{{Cite web|title=P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Casa de Oro-Mount Helix CDP, California |url=https://data.census.gov/cedsci/table?q=p2&g=160XX00US0611691&tid=DECENNIALPL2010.P2|website=[[United States Census Bureau]] |access-date= }}</ref>
!{{partial|Pop 2020}}<ref name=2020CensusP2>{{Cite web|title=P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Casa de Oro-Mount Helix CDP, California |url=https://data.census.gov/cedsci/table?q=p2&g=160XX00US0611691&tid=DECENNIALPL2020.P2|website=[[United States Census Bureau]] |access-date= }}</ref>
!% 2000
!% 2010
!{{partial|% 2020}}
|-
|[[Non-Hispanic or Latino whites|White]] alone (NH)
|14,694
|13,061
|style='background: #ffffe6; |11,836
|77.85%
|69.61%
|style='background: #ffffe6; |60.46%
|-
|[[Non-Hispanic or Latino African Americans|Black or African American]] alone (NH)
|930
|1,064
|style='background: #ffffe6; |1,174
|4.93%
|5.67%
|style='background: #ffffe6; |6.00%
|-
|[[Native Americans in the United States|Native American]] or [[Alaska Native]] alone (NH)
|75
|69
|style='background: #ffffe6; |53
|0.40%
|0.37%
|style='background: #ffffe6; |0.27%
|-
|[[Asian Americans|Asian]] alone (NH)
|378
|566
|style='background: #ffffe6; |718
|2.00%
|3.02%
|style='background: #ffffe6; |3.67%
|-
|[[Native Hawaiian]] or [[Pacific Islander Americans|Pacific Islander]] alone (NH)
|50
|86
|style='background: #ffffe6; |82
|0.26%
|0.46%
|style='background: #ffffe6; |0.42%
|-
|[[Race and ethnicity in the United States census|Other race]] alone (NH)
|57
|27
|style='background: #ffffe6; |101
|0.30%
|0.14%
|style='background: #ffffe6; |0.52%
|-
|[[Multiracial Americans|Mixed race or Multiracial]] (NH)
|548
|654
|style='background: #ffffe6; |1,068
|2.90%
|3.49%
|style='background: #ffffe6; |5.46%
|-
|[[Hispanic and Latino Americans|Hispanic or Latino]] (any race)
|2,142
|3,235
|style='background: #ffffe6; |4,544
|11.35%
|17.24%
|style='background: #ffffe6; |23.21%
|-
|'''Total'''
|'''18,874'''
|'''18,762'''
|style='background: #ffffe6; |'''19,576'''
|'''100.00%'''
|'''100.00%'''
|style='background: #ffffe6; |'''100.00%'''
|}

===2010===
The [[2010 United States Census]]<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0611691|archive-url=https://archive.today/20140715023953/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0611691|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - Casa de Oro-Mount Helix CDP|publisher=U.S. Census Bureau|access-date=July 12, 2014}}</ref> reported that Casa de Oro-Mount Helix had a population of 18,762. The population density was {{convert|2,737.8|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Casa de Oro-Mount Helix was 13,375 (64.6%) [[White (U.S. Census)|White]], 1,108 (5.9%) [[African American (U.S. Census)|African American]], 89 (0.5%) [[Native American (U.S. Census)|Native American]], 593 (3.2%) [[Asian (U.S. Census)|Asian]], 96 (0.5%) [[Pacific Islander (U.S. Census)|Pacific Islander]], 996 (5.3%) from [[Race (United States Census)|other races]], and 999 (5.3%) from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 4,815 persons (23.3%).

The Census reported that 18,563 people (98.9% of the population) lived in households, 110 (0.6%) lived in non-institutionalized group quarters, and 89 (0.5%) were institutionalized.

There were 6,943 households, out of which 2,179 (31.4%) had children under the age of 18 living in them, 4,036 (58.1%) were [[marriage|opposite-sex married couples]] living together, 745 (10.7%) had a female householder with no husband present, 360 (5.2%) had a male householder with no wife present. There were 365 (5.3%) [[POSSLQ|unmarried opposite-sex partnerships]], and 77 (1.1%) [[same-sex partnerships|same-sex married couples or partnerships]]. 1,319 households (19.0%) were made up of individuals, and 617 (8.9%) had someone living alone who was 65 years of age or older. The average household size was 2.67. There were 5,141 [[family (U.S. Census)|families]] (74.0% of all households); the average family size was 3.02.

The population was spread out, with 3,945 people (21.0%) under the age of 18, 1,510 people (8.0%) aged 18 to 24, 3,807 people (20.3%) aged 25 to 44, 6,012 people (32.0%) aged 45 to 64, and 3,488 people (18.6%) who were 65 years of age or older. The median age was 45.4 years. For every 100 females, there were 95.8 males. For every 100 females age 18 and over, there were 93.6 males.

There were 7,249 housing units at an average density of {{convert|1,057.8|/sqmi|/km2|sp=us|adj=off}}, of which 5,018 (72.3%) were owner-occupied, and 1,925 (27.7%) were occupied by renters. The homeowner vacancy rate was 1.4%; the rental vacancy rate was 5.2%. 13,358 people (71.2% of the population) lived in owner-occupied housing units and 5,205 people (27.7%) lived in rental housing units.

===2000===
As of the [[census]]<ref name="GR2">{{cite web |url=https://www.census.gov |publisher=[[United States Census Bureau]] |access-date=2008-01-31 |title=U.S. Census website }}</ref> of 2000, there were 18,874 people, 7,012 households, and 5,287 families residing in the CDP. The population density was {{convert|2,760.1|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 7,140 housing units at an average density of {{convert|1,044.1|/sqmi|/km2|sp=us|adj=off}}. The racial makeup of the CDP was 68.7% [[White (U.S. Census)|White]], 7.4% [[African American (U.S. Census)|African American]], 0.6% [[Native American (U.S. Census)|Native American]], 2.5% [[Asian (U.S. Census)|Asian]], 0.3% [[Pacific Islander (U.S. Census)|Pacific Islander]], 4.2% from [[Race (United States Census)|other races]], and 4.0% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 17.2% of the population.

There were 7,012 households, out of which 30.4% had children under the age of 18 living with them, 61.4% were [[Marriage|married couples]] living together, 9.8% had a female householder with no husband present, and 24.6% were non-families. 17.5% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older. The average household size was 2.67 and the average family size was 2.99.

In the CDP, the population was spread out, with 23.0% under the age of 18, 7.7% from 18 to 24, 24.7% from 25 to 44, 27.8% from 45 to 64, and 16.9% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 95.2 males. For every 100 females age 18 and over, there were 93.6 males.

The median income for a household in the CDP was $60,387, and the median income for a family was $72,127. Males had a median income of $51,234 versus $31,923 for females. The [[per capita income]] for the CDP was $33,565. About 5.0% of families and 7.5% of the population were below the [[poverty line]], including 8.7% of those under age 18 and 4.4% of those age 65 or over.

==Education==
Public high school education is provided by the [[Grossmont Union High School District]]. Elementary and middle schools are run by the [[La Mesa-Spring Valley School District]].

==Government==
[[File:Casa-de-Oro-Mount-Helix California Jason Kardos Mt Helix Lifestyles Real Estate Services.jpg|thumb|Welcome sign to Casa de Oro, California]]

In the [[California State Legislature]], Casa de Oro-Mount Helix is in {{Representative|casd|38|fmt=sdistrict}}, and in {{Representative|caad|71|fmt=adistrict}}.<ref>{{Cite web |url=http://statewidedatabase.org/gis/gis2011/index_2011.html |title=Statewide Database |publisher=UC Regents |access-date=December 8, 2014 |archive-url=https://web.archive.org/web/20150201113744/http://statewidedatabase.org/gis/gis2011/index_2011.html |archive-date=February 1, 2015 |url-status=dead }}</ref>

==References==
{{reflist}}

{{San Diego County}}
{{authority control}}

[[Category:Census-designated places in San Diego County, California]]
[[Category:East County (San Diego County)]]
[[Category:Populated places established in 1885]]
[[Category:1885 establishments in California]]
[[Category:Census-designated places in California]]