Santa Rosa Valley is a rural

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

, named after the eponymous valley in which it lies, located in

Ventura County, California Ventura County () is a county in the southern part of the U.S. state of California. As of the 2020 census, the population was 843,843. The largest city is Oxnard, and the county seat is the city of Ventura. Ventura County comprises the Oxn ...

, United States. For statistical purposes, the

United States Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of t ...

has defined Santa Rosa Valley as 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 count ...

(CDP). The census definition of the area may not precisely correspond to local understanding of the area with the same name. The 2010 United States census reported Santa Rosa Valley's population was 3,334. Santa Rosa Valley sits at an elevation of . It lies within the County of Ventura north of Newbury Park, between

Thousand Oaks Thousand Oaks is the second-largest city in Ventura County, California, United States. It is in the northwestern part of Greater Los Angeles, approximately from the city of Los Angeles and from Downtown. It is named after the many oak tree ...

and

Camarillo Camarillo ( ) is a city in Ventura County in the U.S. state of California. As of the 2020 United States Census, the population was 70,741, an increase of 5,540 from the 65,201 counted in the 2010 Census. Camarillo is named for brothers Juan an ...

Norwegian Grade The Norwegian Grade is a section of Moorpark Road from the Santa Rosa Valley, California, Santa Rosa Valley up into the Simi Hills and the city of Thousand Oaks, California, Thousand Oaks, within Ventura County, California. Completed in 1911, it ma ...

, which was constructed by the Norwegian Colony, connects Santa Rosa Valley to Thousand Oaks, while it may be reached from Santa Rosa Road in Camarillo. The Santa Rosa Valley lies right north of the

Conejo Valley The Conejo Valley is a region spanning both southeastern Ventura County and northwestern Los Angeles County in Southern California, United States. It is located in the northwestern part of the Greater Los Angeles Area. Communities in the Conejo ...

and along the

Arroyo Santa Rosa Arroyo often refers to: * Arroyo (creek), an intermittently dry creek Arroyo may also refer to: People * Arroyo (surname) Places United States ;California * Arroyo Burro Beach, a public beach park in Santa Barbara County, California * Arroyo ...

and Arroyo Conejo. Most of the area consists of agricultural lands and it is home to a variety of wildlife such as

bobcats The bobcat (''Lynx rufus''), also known as the red lynx, is a medium-sized cat native to North America. It ranges from southern Canada through most of the contiguous United States to Oaxaca in Mexico. It is listed as Least Concern on the IUC ...

gray fox The gray fox (''Urocyon cinereoargenteus''), or grey fox, is an omnivorous mammal of the family Canidae, widespread throughout North America and Central America. This species and its only congener, the diminutive island fox (''Urocyon littor ...

es,

mule deer The mule deer (''Odocoileus hemionus'') is a deer indigenous to western North America; it is named for its ears, which are large like those of the mule. Two subspecies of mule deer are grouped into the black-tailed deer. Unlike the related whi ...

coyotes The coyote (''Canis latrans'') is a species of canine native to North America. It is smaller than its close relative, the wolf, and slightly smaller than the closely related eastern wolf and red wolf. It fills much of the same ecological nich ...

, and more. The valley is likely the habitat for more than one

Mountain lion The cougar (''Puma concolor'') is a large cat native to the Americas. Its range spans from the Canadian Yukon to the southern Andes in South America and is the most widespread of any large wild terrestrial mammal in the Western Hemisphere. ...

, and lions are relatively often observed here. Immediately to the south is the Conejo Canyons Open Space, with trails leading to the Arroyo Conejo Nature Preserve (La Branca) and Hill Canyon, and the community also borders Mount Clef Ridge and

Wildwood Regional Park Wildwood Regional Park is a suburban regional park in the western Simi Hills and Conejo Valley, in Ventura County, California. It is located in western Thousand Oaks, northern Newbury Park, and southern Moorpark. Wildwood is home to over 27 mi ...

to the south. Santa Rosa Valley was home to a

Chumash Chumash may refer to: *Chumash (Judaism), a Hebrew word for the Pentateuch, used in Judaism *Chumash people, a Native American people of southern California *Chumashan languages, indigenous languages of California See also *Chumash traditional n ...

village in pre-colonial times, known as Šumpaši, which was located by Conejo Creek.

Geography

According to the

, the CDP covers an area of 6.9 square miles (17.8 km), all of it land.

Demographics

The

2010 United States Census The United States census of 2010 was the twenty-third United States national census. National Census Day, the reference day used for the census, was April 1, 2010. The census was taken via mail-in citizen self-reporting, with enumerators servi ...

reported that Santa Rosa Valley had a population of 3,334. The population density was . The racial makeup of Santa Rosa Valley was 2,904 (87.1%)

White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White o ...

, 23 (0.7%)

African American African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...

, 13 (0.4%) Native American, 187 (5.6%)

Asian Asian may refer to: * Items from or related to the continent of Asia: ** Asian people, people in or descending from Asia ** Asian culture, the culture of the people from Asia ** Asian cuisine, food based on the style of food of the people from Asi ...

, 4 (0.1%)

Pacific Islander Pacific Islanders, Pasifika, Pasefika, or rarely Pacificers are the peoples of the Pacific Islands. As an ethnic/racial term, it is used to describe the original peoples—inhabitants and diasporas—of any of the three major subregions of O ...

, 102 (3.1%) from

other races Other often refers to: * Other (philosophy), a concept in psychology and philosophy Other or The Other may also refer to: Film and television * ''The Other'' (1913 film), a German silent film directed by Max Mack * ''The Other'' (1930 film), a ...

, and 101 (3.0%) from two or more races.

Hispanic The term ''Hispanic'' ( es, hispano) refers to people, cultures, or countries related to Spain, the Spanish language, or Hispanidad. The term commonly applies to countries with a cultural and historical link to Spain and to viceroyalties forme ...

Latino Latino or Latinos most often refers to: * Latino (demonym), a term used in the United States for people with cultural ties to Latin America * Hispanic and Latino Americans in the United States * The people or cultures of Latin America; ** Latin A ...

of any race were 353 persons (10.6%). The Census reported that 3,334 people (100% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized. There were 1,113 households, out of which 383 (34.4%) had children under the age of 18 living in them, 896 (80.5%) were opposite-sex married couples living together, 58 (5.2%) had a female householder with no husband present, 23 (2.1%) had a male householder with no wife present. There were 25 (2.2%) unmarried opposite-sex partnerships, and 8 (0.7%) same-sex married couples or partnerships. 100 households (9.0%) were made up of individuals, and 37 (3.3%) had someone living alone who was 65 years of age or older. The average household size was 3.00. There were 977

families Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Ideal ...

(87.8% of all households); the average family size was 3.16. The population was spread out, with 727 people (21.8%) under the age of 18, 277 people (8.3%) aged 18 to 24, 446 people (13.4%) aged 25 to 44, 1,386 people (41.6%) aged 45 to 64, and 498 people (14.9%) who were 65 years of age or older. The median age was 48.9 years. For every 100 females, there were 96.2 males. For every 100 females age 18 and over, there were 93.1 males. There were 1,159 housing units at an average density of , of which 1,037 (93.2%) were owner-occupied, and 76 (6.8%) were occupied by renters. The homeowner vacancy rate was 0.5%; the rental vacancy rate was 2.6%. 3,117 people (93.5% of the population) lived in owner-occupied housing units and 217 people (6.5%) lived in rental housing units.

References

{{authority control Census-designated places in Ventura County, California Census-designated places in California