According to the United States Census Bureau, the city has a total area of, all of it land. At the 2000 census, according to the United States Census Bureau, the city had a total area of, all of it land. Wasco is located on the floor of the San Joaquin Valley, at the intersection of California State Routes43, which runs north–south, and 46, which runs east–west.
At the 2010 census Wasco had a population of 25,545. The population density was 2,710.1 people per square mile. The racial makeup of Wasco was 12,579 White, 1,951 African American, 283 Native American, 180 Asian, 12 Pacific Islander, 9,714 from other races, and 826 from two or more races. Hispanic or Latino of any race were 19,585 persons. The census reported that 19,825 people lived in households, 10 lived in non-institutionalized group quarters, and 5,710 were institutionalized. There were 5,131 households, 3,143 had children under the age of 18 living in them, 2,894 were opposite-sex married couples living together, 992 had a female householder with no husband present, 484 had a male householder with no wife present. There were 478 unmarried opposite-sex partnerships, and 27 same-sex married couples or partnerships. 575 households were one person and 243 had someone living alone who was 65 or older. The average household size was 3.86. There were 4,370 families ; the average family size was 4.11. The age distribution was 7,351 people under the age of 18, 3,687 people aged 18 to 24, 8,621 people aged 25 to 44, 4,593 people aged 45 to 64, and 1,293 people who were 65 or older. The median age was 28.3 years. For every 100 females, there were 160.3 males. For every 100 females age 18 and over, there were 192.5 males. There were 5,477 housing units at an average density of 581.1 per square mile, of the occupied units 2,680 were owner-occupied and 2,451 were rented. The homeowner vacancy rate was 5.1%; the rental vacancy rate was 4.0%. 10,486 people lived in owner-occupied housing units and 9,339 people lived in rental housing units.
2000
At the 2000 census there were 21,263 people in 3,971 households, including 3,403 families, in the city. The population density was 2,795.7 people per square mile. There were 4,256 housing units at an average density of 559.6 per square mile. The racial makeup of the city was 34.64% White, 10.27% Black or African American, 1.02% Native American, 0.67% Asian, 0.15% Pacific Islander, 50.46% from other races, and 2.78% from two or more races. 66.72% of the population were Hispanic or Latino of any race. Of the 3,971 households 55.1% had children under the age of 18 living with them, 62.3% were married couples living together, 16.8% had a female householder with no husband present, and 14.3% were non-families. 11.6% of households were one person and 5.7% were one person aged 65 or older. The average household size was 3.79 and the average family size was 4.07. The age distribution was 27.4% under the age of 18, 13.9% from 18 to 24, 39.4% from 25 to 44, 13.8% from 45 to 64, and 5.4% 65 or older. The median age was 29 years. For every 100 females, there were 183.5 males. For every 100 females age 18 and over, there were 230.6 males. The median income for a household in the city was $28,997, and the median family income was $30,506. Males had a median income of $48,105 versus $18,697 for females. The per capita income for the city was $14,228. About 24.3% of families and 27.5% of the population were below the poverty line, including 35.3% of those under age 18 and 10.1% of those age 65 or over.
1,226 people in other types of correctional institutions
10 people in homes for the mentally ill
8 people in other non-institutional group quarters
Economy
One of Wasco's major economic activities is agriculture, specifically the growing of roses. Fifty-five percent of all roses grown in the United States are grown in or around Wasco. In addition to agriculture, oil and gas extraction is a significant part of the local economy. The large Semitropic Oil Field is along State Route 46 about west of town. Formerly a gas field, the region now mainly produces oil. Vintage Production, an arm of Occidental Petroleum, is the primary operator as of 2010. The Wasco Oil Field was discovered in April 1938, by Continental Oil Company.
