For statistical purposes, the United States Census Bureau has defined Aptos Hills-Larkin Valley as a census-designated place. The census definition of the area may not precisely correspond to local understanding of the area with the same name. The population was 2,381 at the 2010 census.
Geography
Aptos Hills-Larkin Valley is located at . According to the United States Census Bureau, the CDP has a total area of, of which, of it is land and of it is water.
Demographics
2010
At the 2010 census Aptos Hills-Larkin Valley had a population of 2,381. The population density was 256.6 people per square mile. The racial makeup of Aptos Hills-Larkin Valley was 1,936 White, 12 African American, 5 Native American, 55 Asian, 1 Pacific Islander, 295 from other races, and 77 from two or more races. Hispanic or Latino of any race were 541 people. The census reported that 99.5% of the population lived in households and 0.5% lived in non-institutionalized group quarters. There were 872 households, 246 had children under the age of 18 living in them, 511 were opposite-sex married couplesliving together, 58 had a female householder with no husband present, 43 had a male householder with no wife present. There were 60 unmarried opposite-sex partnerships, and 5 same-sex married couples or partnerships. 183 households were one person and 64 had someone living alone who was 65 or older. The average household size was 2.72. There were 612 families ; the average family size was 3.08. The age distribution was 454 people under the age of 18, 193 people aged 18 to 24, 470 people aged 25 to 44, 932 people aged 45 to 64, and 332 people who were 65 or older. The median age was 46.9 years. For every 100 females, there were 103.3 males. For every 100 females age 18 and over, there were 106.3 males. There were 921 housing units at an average density of 99.3 per square mile, of which 78.8% were owner-occupied and 21.2% were occupied by renters. The homeowner vacancy rate was 0.6%; the rental vacancy rate was 3.6%. 80.3% of the population lived in owner-occupied housing units and 19.2% lived in rental housing units.
2000
At the 2000 census there were 2,361 people, 845 households, and 622 families in the CDP. The population density was 254.8 people per square mile. There were 881 housing units at an average density of 95.1 per square mile. The racial makeup of the CDP was 84.50% White, 0.64% African American, 0.38% Native American, 1.86% Asian, 0.30% Pacific Islander, 7.62% from other races, and 4.70% from two or more races. Hispanic or Latino of any race were 15.21%. Of the 845 households 33.5% had children under the age of 18 living with them, 61.5% were married couples living together, 8.8% had a female householder with no husband present, and 26.3% were non-families. 17.6% of households were one person and 6.2% were one person aged 65 or older. The average household size was 2.79 and the average family size was 3.10. The age distribution was 23.6% under the age of 18, 6.3% from 18 to 24, 27.1% from 25 to 44, 32.7% from 45 to 64, and 10.4% 65 or older. The median age was 42 years. For every 100 females, there were 100.6 males. For every 100 females age 18 and over, there were 97.6 males. The median household income was $70,417 and the median family income was $75,359. Males had a median income of $60,898 versus $42,500 for females. The per capita income for the CDP was $32,890. About 3.6% of families and 3.9% of the population were below the poverty line, including 4.0% of those under age 18 and 4.8% of those age 65 or over.
