Valley Center was first listed as a
census designated place in the
1980 U.S. census. The census reported that 99.8% of the population lived in households, 0.2% lived in non-institutionalized group quarters, and 0.0% were institutionalized. Valley Center was 0.0% urban and 100.0% rural. There were 3,152 households, out of which 31.8% included children under the age of 18, 65.4% were married-couple households, 4.7% were
cohabiting couple households, 15.8% had a female householder with no partner present, and 14.1% had a male householder with no partner present. 14.8% of households were one person, and 8.1% were one person aged 65 or older. The average household size was 3.19. There were 2,525
families (80.1% of all households). The age distribution was 21.5% under the age of 18, 8.2% aged 18 to 24, 21.6% aged 25 to 44, 28.3% aged 45 to 64, and 20.4% who were 65years of age or older. The median age was 43.6years. For every 100 females, there were 104.2 males, and for every 100 females age 18 and over there were 103.4 males age 18 and over. The median household income was $116,620, and the
per capita income was $46,664. About 9.1% of families and 12.4% of the population were below the poverty line. ==Arts and culture==