Mission Hills is located at . According to the United States Census Bureau, the CDP has a total area of, 99.36% of it land and 0.64% of it water.
Demographics
2010
At the 2010 census Mission Hills had a population of 3,576. The population density was 2,890.8 people per square mile. The racial makeup of Mission Hills was 2,689 White; 91 African American; 74 Native American; 125 Asian; 9 Pacific Islander; 386 from other races; and 202 from two or more races. Hispanic or Latino of any race were 1,137 persons. The whole population lived in households, no one lived in non-institutionalized group quarters and no one was institutionalized. There were 1,182 households, 447 had children under the age of 18 living in them, 785 were opposite-sex married couplesliving together, 115 had a female householder with no husband present, 65 had a male householder with no wife present. There were 59 unmarried opposite-sex partnerships, and 2 same-sex married couples or partnerships. 165 households were one person and 94 had someone living alone who was 65 or older. The average household size was 3.03. There were 965 families ; the average family size was 3.30. The age distribution was 954 people under the age of 18, 297 people aged 18 to 24, 755 people aged 25 to 44, 1,043 people aged 45 to 64, and 527 people who were 65 or older. The median age was 40.0 years. For every 100 females, there were 99.6 males. For every 100 females age 18 and over, there were 97.9 males. There were 1,223 housing units at an average density of 988.7 per square mile, of the occupied units 1,002 were owner-occupied and 180 were rented. The homeowner vacancy rate was 0.7%; the rental vacancy rate was 2.2%. 2,878 people lived in owner-occupied housing units and 698 people lived in rental housing units.
2000
At the 2000 census there were 3,142 people, 1,049 households, and 869 families in the CDP. The population density was 2,543.5 people per square mile. There were 1,072 housing units at an average density of 867.8 per square mile. The racial makeup of the CDP was 30.22% White, 0% African American, 0% Native American, 70.69% Asian, 0% Pacific Islander, 0% from other races, and 0% from two or more races. Hispanic or Latino of any race were 0%. Of the 1,049 households 38.5% had children under the age of 18 living with them, 69.5% were married couples living together, 9.1% had a female householder with no husband present, and 17.1% were non-families. 13.3% of households were one person and 6.7% were one person aged 65 or older. The average household size was 2.99 and the average family size was 3.26. The age distribution was 29.8% under the age of 18, 5.2% from 18 to 24, 26.4% from 25 to 44, 24.0% from 45 to 64, and 14.7% 65 or older. The median age was 39 years. For every 100 females, there were 97.2 males. For every 100 females age 18 and over, there were 94.4 males. The median household income was $57,000 and the median family income was $60,382. Males had a median income of $44,464 versus $30,733 for females. The per capita income for the CDP was $22,769. About 3.9% of families and 4.8% of the population were below the poverty line, including 6.1% of those under age 18 and 1.7% of those age 65 or over.
