Shenandoah was first listed as a
census designated place in the
1990 U.S. census. of 2000, there were 17,070 people, 5,911 households, and 4,900 families residing in the CDP. The population density was . There were 6,053 housing units at an average density of . The racial makeup of the CDP was 92.13%
White, 4.42%
African American, 0.24%
Native American, 2.08%
Asian, 0.01%
Pacific Islander, 0.39% from
other races, and 0.73% from two or more races.
Hispanic or
Latino of any race were 1.62% of the population. There were 5,911 households, out of which 46.7% had children under the age of 18 living with them, 73.1% were
married couples living together, 7.1% had a female householder with no husband present, and 17.1% were non-families. 13.5% of all households were made up of individuals, and 2.5% had someone living alone who was 65 years of age or older. The average household size was 2.89 and the average family size was 3.21. In the CDP, the population was spread out, with 29.8% under the age of 18, 7.3% from 18 to 24, 30.6% from 25 to 44, 27.3% from 45 to 64, and 5.0% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 98.4 males. For every 100 females age 18 and over, there were 95.4 males. The median income for a household in the CDP was $73,536, and the median income for a family was $79,302. Males had a median income of $58,938 versus $31,339 for females. The
per capita income for the CDP was $29,722. About 1.2% of families and 2.2% of the population were below the
poverty line, including 2.8% of those under age 18 and 0.1% of those age 65 or over. ==Education==