Sky Valley first appeared as a
census designated place in the
2010 U.S. census. The census reported that 98.3% of the population lived in households, 1.7% lived in non-institutionalized group quarters, and no one was institutionalized. There were 967 households, out of which 18.8% included children under the age of 18, 43.3% were married-couple households, 5.4% were
cohabiting couple households, 25.5% had a male householder with no spouse or partner present, and 25.7% had a female householder with no spouse or partner present. 32.9% of households were one person, and 18.7% were one person aged 65 or older. The average household size was 2.45. There were 1,692 housing units at an average density of . Of these, 967 (57.2%) were occupied and 725 (42.8%) were vacant. Of occupied units, 80.4% were owner-occupied and 19.6% were occupied by renters. The homeowner vacancy rate was 6.2% and the rental vacancy rate was 18.0%. ==Cultural references==