At the 2010 census there were 2,253 people in 701 households residing in the CDP. The population density was 901.2 inhabitants per square mile (348.0/km2). There were 757 housing units at an average density of 302.8 per square mile (116.9/km2). The racial makeup of the CDP was 12.38% White, 0.22% African American, 0.18% American Indian & Alaska Native, 52.02% Asian, 7.50% Native Hawaiian & Pacific Islander, 0.44% from other races, and 27.25% from two or more races. Hispanic or Latino of any race were 8.74%.[2][9]
Of the 701 households, 28.0% had children under the age of 18 living with them. The average household size was 3.21.[2]
In the Keaʻau CDP the population was spread out, with 23.7% under the age of 18, 9.5% from 18 to 24, 9.6% from 25 to 34, 19.6 from 35 to 49, 20.4% from 50 to 64, and 17.2% 65 or older. For every 100 females, there were 99.6 males. For every 100 males there were 100.4 females.[2]
The median household income was $39,722 and the median family income in 2000 was $43,347. Males had a median income in 2000 of $27,344 versus $23,287 for females. The per capita income for the CDP in 2000 was $14,657. About 9.6% of families and 12.3% of the population were below the poverty line in 2000, including 14.9% of those under age 18 and 9.0% of those age 65 or over.
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