Santa Rosa Valley, California

Coordinates: 34°14′43″N 118°54′08″W / 34.24528°N 118.90222°W / 34.24528; -118.90222
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Santa Rosa Valley, California
Santa Rosa Valley, California is located in California
Santa Rosa Valley, California
Santa Rosa Valley, California
Location within the state of California
Coordinates: 34°14′43″N 118°54′08″W / 34.24528°N 118.90222°W / 34.24528; -118.90222
CountryUnited States
 • Total6.861 sq mi (17.769 km2)
 • Land6.861 sq mi (17.769 km2)
 • Water0 sq mi (0 km2)  0%
Elevation433 ft (132 m)
 • Total3,334
 • Density490/sq mi (190/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
GNIS feature ID2585444
U.S. Geological Survey Geographic Names Information System: Santa Rosa Valley, California

Santa Rosa Valley is a rural unincorporated community, named after the eponymous valley in which it lies, located in Ventura County, California, United States. For statistical purposes, the United States Census Bureau has defined Santa Rosa Valley as a census-designated place (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 433 feet (132 m).[2]

It lies within the County of Ventura north of Newbury Park, between Thousand Oaks and Camarillo. Norwegian Grade, which was constructed by the Norwegian Colony, connects Santa Rosa Valley to Thousand Oaks,[3] while it may be reached from Santa Rosa Road in Camarillo.

The Santa Rosa Valley lies right north of the Conejo Valley and along the Arroyo Santa Rosa and Arroyo Conejo. Most of the area consists of agricultural lands and it is home to a variety of wildlife such as bobcats, gray foxes, mule deer, coyotes, and more. The valley is likely the habitat for more than one Mountain lion, and lions are relatively often observed here.[4][5] 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 to the south.[6][7]

Santa Rosa Valley was home to a Chumash village in pre-colonial times, known as Šumpaši, which was located by Conejo Creek.[8]


According to the United States Census Bureau, the CDP covers an area of 6.9 square miles (17.8 km2), all of it land.


The 2010 United States Census[9] reported that Santa Rosa Valley had a population of 3,334. The population density was 486.0 inhabitants per square mile (187.6/km2). The racial makeup of Santa Rosa Valley was 2,904 (87.1%) White, 23 (0.7%) African American, 13 (0.4%) Native American, 187 (5.6%) Asian, 4 (0.1%) Pacific Islander, 102 (3.1%) from other races, and 101 (3.0%) from two or more races. Hispanic or Latino 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 (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 168.9 per square mile (65.2/km2), 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.


  1. ^ U.S. Census Archived 2012-01-25 at the Wayback Machine
  2. ^ a b "Santa Rosa Valley Census Designated Place". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  3. ^ Olsen, Gerald E. "Gerry" (September 18, 2010). "Norwegian Grade, built by hand, is turning 100". Ventura County Star. Retrieved November 23, 2020.
  4. ^ Knight, Michelle (July 31, 2009). "Cougar attack has residents on edge | July 31, 2009 |". Camarillo Acorn. Retrieved March 24, 2016.
  5. ^ "Behind the scenes with a Los Angeles mountain lion expert". University of California, Los Angeles. May 5, 2018. Retrieved March 24, 2016.
  6. ^ Murphy, Kelly (2012). Local Multi-Use Trails. Kelly Murphy. Pages 112-118. ISBN 9781479165599.
  7. ^ Stone, Robert (2011). Day Hikes Around Ventura County: 116 Great Hikes. Pages 218-219. Day Hike Books. ISBN 9781573420624.
  8. ^ Maxwell, Thomas J. (1982). The Temescals of Arroyo Conejo. California Lutheran College. Page 58.
  9. ^ "2010 Census Interactive Population Search: CA - Santa Rosa Valley CDP". U.S. Census Bureau. Archived from the original on July 15, 2014. Retrieved July 12, 2014.