Santa Rosa is a city in and the county seat of Sonoma County, in California’s Wine Country. Its estimated 2016 population was 175,155. Santa Rosa is the largest city in California’s Redwood Empire, Wine Country and the North Bay; the fifth most populous city in the San Francisco Bay Area after San Jose, San Francisco, Oakland, and Fremont; and the 28th most populous city in California.
The 2010 United States Census reported that Santa Rosa had a population of 167,815. The population density was 4,043.8 people per square mile (1,561.3/km2). The racial makeup of Santa Rosa was: 119,158 White (59.7% non-Hispanic white), 4,079 (2.4%) African American, 2,808 (1.7%) Native American, 8,746 (5.2%) Asian (1.0% Filipino, 1.0% Chinese, 0.8% Vietnamese, 0.6% Indian, 0.5% Cambodian, 0.5% Laotian, 0.3% Japanese, 0.3% Korean, 0.1% Thai, 0.1% Nepalese), 810 (0.5%) Pacific Islander (0.2% Fijian, 0.1% Samoan, 0.1% Hawaiian, 0.1% Guamanian), 23,723 (14.1%) from other races, 8,491 (5.1%) from two or more races. Hispanic or Latinoof any race were 47,970 persons (28.6%). Among the Hispanic population, 98% of Santa Rosa is Mexican, 0.8% Salvadoran, and 0.4% Puerto Rican.
The Census reported that 164,405 people (98.0% of the population) lived in households, 1,697 (1.0%) lived in non-institutionalized group quarters, and 1,713 (1.0%) were institutionalized.
There were 63,590 households, out of which 20,633 (32.4%) had children under the age of 18 living in them, 27,953 (44.0%) were opposite-sex married couples living together, 7,663 (12.1%) had a female householder with no husband present, 3,615 (5.7%) had a male householder with no wife present. There were 5,020 (7.9%) unmarried opposite-sex partnerships, and 757 (1.2%) same-sex married couples or partnerships. 18,021 households (28.3%) were made up of individuals and 7,474 (11.8%) had someone living alone who was 65 years of age or older. The average household size was 2.59. There were 39,231 families (61.7% of all households); the average family size was 3.18.
In terms of age cohorts, there were 39,217 people (23.4%) under the age of 18, 15,982 people (9.5%) aged 18 to 24, 46,605 people (27.8%) aged 25 to 44, 43,331 people (25.8%) aged 45 to 64, and 22,680 people (13.5%) who were 65 years of age or older. The median age was 36.7 years. For every 100 females, there were 95.2 males. For every 100 females age 18 and over, there were 92.2 males.
There were 67,396 housing units at an average density of 1,624.0 per square mile (627.0/km2), of which 34,427 (54.1%) were owner-occupied, and 29,163 (45.9%) were occupied by renters. The homeowner vacancy rate was 2.0%; the rental vacancy rate was 5.0%. 87,244 people (52.0% of the population) lived in owner-occupied housing units and 77,161 people (46.0%) lived in rental housing units.
As of 2011, there are an estimated 4,539 homeless people living in Sonoma County, many of whom live in Santa Rosa.
Santa Rosa’s Hispanic population, mainly of Mexican descent, while spread out through the city, is concentrated within the western part of Santa Rosa. The highest percentage of Hispanic residents in Santa Rosa is in the Apple Valley Lane/Papago Court neighborhood, at 87%.
The Southeast Asian communities, mainly Vietnamese, Laotian, and Cambodian, are concentrated within the western Santa Rosa neighborhoods of Bellevue Ranch, Roseland, and West Steele areas. The northeast neighborhoods of Skyhawk and Fountaingrove have the most populous Chinese communities.[