Question: What was the 2010 population of the census-designated place that is home to Mililani High School?

Context articles: Mililani, Hawaii
Allyn-Grapeview, Washington
Ricardo, Texas
Oakleaf Plantation, Florida
Edinburg High School (Texas)
Alum Rock, California
Garden City, South Carolina
Marlborough, Connecticut
Mililani Mauka, Hawaii
Mililani High School

Mililani is a city located near the center of the island of Oʻ ahu in Honolulu County, Hawaii, United States.
 It consists of two census-designated places, Mililani Town, with a population of 27,629 at the 2010 census, and Mililani Mauka, with a 2010 census population of 21,039.
Allyn-Grapeview is a former census-designated place (CDP) in Mason County, Washington, United States.
 At the 2010 census, the CDP was separated into Allyn and Grapeview.
 The combined 2010 population of the two new CDPs was 2,917.
 The community-based monthly newspaper called the "North Bay Review", services the Allyn-Grapeview area.
 Allyn's main road and thoroughfare is State Route 3 with Grapeview connected to Route 3 via Grapeview Loop Road.
Ricardo is a small census-designated place in Kleberg County, Texas, United States.
 Located on HWY 77 between Kingsville and Riviera.
 It consists of a Farmers Co-Op, a convenience store, and an elementary/junior high school.
 The school's mascot is a Yellow Jacket.
 Since there is no high school, students either attend Kaufer High School in Riviera, Academy High School in Kingsville, Bishop High School, or H.M. King High School in Kingsville.
Oakleaf Plantation is a planned community in the Jacksonville area, located partially within the Jacksonville city limits (Duval County), but is mostly in unincorporated Clay County.
 The latter portion is a census-designated place, with a 2010 population of 20,315.
Edinburg High School (EHS) is a comprehensive public high school in Murillo (formerly Nurillo), a census-designated place in Hidalgo County, Texas, east of Edinburg.
 It is operated by the Edinburg Consolidated Independent School District along with Edinburg North High School Robert Vela High School, and Johnny G. Economedes High School.
 It has enrolled 2,927 students and 175 staff, with 35% holding advanced degrees; its enrollment is 95% Hispanic, 4% White, and 1% Asian/Pacific Islander.
Alum Rock ( ) is a census-designated place (CDP) in Santa Clara County, California, United States and a community of San Jose.
 The CDP, which excludes all annexed areas, had a population of 15,536 at the 2010 census.
 Alum Rock was named after a rock formerly thought to be composed of alum in nearby Alum Rock Park.
 Formerly a separate town, much of the community is unincorporated surrounded by incorporated San Jose; neighborhoods between White Road and Capitol Avenue are part of a city/county agreement for annexation.
 James Lick High School, Mt. Pleasant High School, and William C. Overfelt High School (which are part of the East Side Union High School District), Joseph George Middle School, Ocala Middle School, and other schools in the Alum Rock Union School District serve the neighborhood.
 Near the center of the community is a small neighborhood commercial strip along Alum Rock Avenue at White Road.
Garden City, sometimes known as Garden City Beach, is a census-designated place (CDP) in Horry County, South Carolina, United States.
 While Garden City is sometimes considered to be a city it is not incorporated and does not yet have a city council or mayor.
 The population was 9,357 at the 2000 census and the 2010 population estimate is around 11,014.
 Garden City Beach is located directly south of Surfside Beach and ends on a peninsula at the mouth of Murrells Inlet.
Marlborough is a town in Hartford County, Connecticut, United States.
 It contains the census-designated place (CDP) of Terramuggus.
 The town's population was 6,404 at the 2010 census.
 Marlborough is an upper class suburban and rural community.
 The local high school is RHAM High School.
 In 2013, Marlborough ranked third (of 24) in "Connecticut Magazine's" biannual ranking of Connecticut small towns, median home sale price between $175,000 and $224,999.
 Educationally, RHAM High School, which serves Marlborough, Hebron, and Andover students, was the top-ranked regional high school in the state on the SAT in 2017, and 11th highest-performing school in the state on the test.
Mililani Mauka is a census-designated place (CDP) in Honolulu County, Hawaii on the island of Oʻ ahu, Hawaii, United States.
 As of the 2010 Census, the CDP had a population of 21,039.
Mililani High School is the only public high school located in Mililani Town CDP, City and County of Honolulu, Hawaii, U.S. on the island of Oʻ ahu.