Kekaha (literally, “the place” in Hawaiian) is a census-designated place (CDP) in Kauaʻi County, Hawaiʻi, United States. The population was 3,537 at the 2010 census, up from 3,175 at the 2000 census.
Kekaha is located on the southwest side of the island of Kauai at 21°58′18″N 159°42′59″W / 21.97167°N 159.71639°W / 21.97167; -159.71639 (21.971690, -159.716290). It is bordered to the east by Waimea and to the south by the Pacific Ocean. Hawaii Route 50 passes through the community, leading northwest 7 miles (11 km) to its end at the Pacific Missile Range Facility and east 15 miles (24 km) to Kalaheo.
According to the United States Census Bureau, the Kekaha CDP has a total area of 1.3 square miles (3.4 km), of which 1.0 square mile (2.6 km) are land and 0.31 square miles (0.8 km), or 22.48%, are water.
As of the census of 2000, there were 3,175 people, 1,073 households, and 799 families residing in the CDP. The population density was 3,178.2 people per square mile (1,225.9/km²). There were 1,162 housing units at an average density of 1,163.2 per square mile (448.7/km²). The racial makeup of the CDP was 15.9% White, 0.2% African American, 0.5% Native American, 43.6% Asian, 12.4% Pacific Islander, 1.0% from other races, and 26.4% from two or more races. Hispanic or Latino of any race were 8.7% of the population.
There were 1,073 households out of which 30.4% had children under the age of 18 living with them, 55.9% were married couples living together, 13.1% had a female householder with no husband present, and 25.5% were non-families. 21.4% of all households were made up of individuals and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.96 and the average family size was 3.44.
In the CDP the population was spread out with 25.1% under the age of 18, 7.5% from 18 to 24, 24.4% from 25 to 44, 27.4% from 45 to 64, and 15.6% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 98.1 males. For every 100 females age 18 and over, there were 96.2 males.
The median income for a household in the CDP was $41,103, and the median income for a family was $48,629. Males had a median income of $32,969 versus $26,739 for females. The per capita income for the CDP was $17,117. About 10.9% of families and 11.2% of the population were below the poverty line, including 11.8% of those under age 18 and 11.1% of those age 65 or over.