Captain Cook is a census-designated place (CDP) in Hawaiʻi County, Hawaiʻi, in the United States, located in the District of South Kona. The community, within the land division of Kealakekua, is so named because the post office for the area was located in the Captain Cook Coffee Co. during the early 1900s. As of the 2010 census the CDP population was 3,429, up from 3,206 at the 2000 census.
Captain Cook is located on the west side of the island of Hawaii at 19°29′54″N 155°54′15″W / 19.49833°N 155.90417°W / 19.49833; -155.90417 (19.498211, -155.904275). It is bordered to the north by Kealakekua and to the south by Honaunau-Napoopoo. Hawaii Route 11, part of the Hawaii Belt Road, passes through the community, leading north 12 miles (19 km) to Kailua-Kona and south 47 miles (76 km) to Naalehu. Hawaii Route 160 diverges from Route 11 in Captain Cook, leading south by a winding road 4 miles (6 km) to Napoopoo on Kealakekua Bay.
According to the United States Census Bureau, the Captain Cook CDP has a total area of 12.9 square miles (33.3 km), all of it land.
Most of Captain Cook lies between the 800-foot (240 m) and 2,000-foot (610 m) elevation, which makes it ideal as a coffee-growing region. It sits on the top of an ancient fault which created the famous Kealakekua Bay. Prior to the 1960s, most of Captain Cook was part of the vast Kealakekua Ranch, founded in the 1850s by English immigrant Henry Nicholas Greenwell.
As of the census of 2010, there were 3,429 people in 1,258 households residing in the CDP. The population density was 281.1 people per square mile (108.9/km²). There were 1,386 housing units at an average density of 113.6 per square mile (44.0/km²). The racial makeup of the CDP was 31.44% White, 0.67% African American, 0.38% American Indian & Alaska Native, 27.65% Asian, 10.67% Native Hawaiian & Pacific Islander, 2.16% from other races, and 27.03% from two or more races. Hispanic or Latino of any race were 9.51% of the population.
There were 1,258 households out of which 22.0% had children under the age of 18 living with them. The average household size was 2.73.
In the Captain Cook CDP the population was spread out with 20.6% under the age of 18, 7.0% from 18 to 24, 11.6% from 25 to 34, 15.4% from 35 to 49, 28.3% from 50 to 64, and 17.1% who were 65 years of age or older. For every 100 females, there were 101.1 males. For every 100 males there were 98.9 females.
For the period 2011-2015, the median estimated annual income for a household in the CDP was $66,276, and the median income for a family was $73,661. Male full-time workers had a median income of $35,833 versus $42,344 for females. The per capita income for the CDP was $38,885. About 10.2% of families and 8.8% of the population were below the poverty line, including 15.5% of those under age 18 and 5.5% of those age 65 or over.
Captain Cook Hawaii neighborhoods include: Honaunau, Kukuiopae, Mamalahoa Hwy, Ocean View