Deer Park is located at . According to the United States Census Bureau, the CDP has a total area of, 99.93% of it land and 0.07% of it water.
Demographics
2010
The 2010 United States Census reported that Deer Park had a population of 1,267. The population density was 227.0 people per square mile. The racial makeup of Deer Park was 1,108 White, 13 African American, 9 Native American, 51 Asian, 0 Pacific Islander, 61 from other races, and 25 from two or more races. Hispanic or Latino of any race were 147 persons. The Census reported that 1,245 people lived in households, 5 lived in non-institutionalized group quarters, and 17 were institutionalized. There were 564 households, out of which 114 had children under the age of 18 living in them, 281 were opposite-sex married couplesliving together, 44 had a female householder with no husband present, 15 had a male householder with no wife present. There were 31 unmarried opposite-sex partnerships, and 4 same-sex married couples or partnerships. 174 households were made up of individuals, and 67 had someone living alone who was 65 years of age or older. The average household size was 2.21. There were 340 families ; the average family size was 2.67. The population was spread out, with 191 people under the age of 18, 68 people aged 18 to 24, 245 people aged 25 to 44, 488 people aged 45 to 64, and 275 people who were 65 years of age or older. The median age was 51.9 years. For every 100 females, there were 91.1 males. For every 100 females age 18 and over, there were 87.5 males. There were 685 housing units at an average density of 122.7 per square mile, of which 318 were owner-occupied, and 246 were occupied by renters. The homeowner vacancy rate was 2.2%; the rental vacancy rate was 6.0%. 764 people lived in owner-occupied housing units and 481 people lived in rental housing units.
2000
As of the census of 2000, there were 1,433 people, 575 households, and 395 families residing in the CDP. The population density was 250.5 people per square mile. There were 653 housing units at an average density of 114.1 per square mile. The racial makeup of the CDP in 2010 was 81.4% non-Hispanic White, 1.0% non-Hispanic Black or African American, 0.4% Native American, 4.0% Asian, 0.1% from other races, and 1.5% from two or more races. 11.6% of the population were Hispanic or Latino of any race. Deer Park is home to a small but growing population of Argentine Americans already approaching 4 percent of the population of the small hamlet. There were 575 households, out of which 26.6% had children under the age of 18 living with them, 59.0% were married couples living together, 6.4% had a female householder with no husband present, and 31.3% were non-families. 24.7% of all households were made up of individuals, and 6.4% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.88. In the CDP, the population was spread out, with 19.7% under the age of 18, 6.9% from 18 to 24, 27.6% from 25 to 44, 30.9% from 45 to 64, and 14.8% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 95.2 males. For every 100 females age 18 and over, there were 94.9 males. The median income for a household in the CDP was $63,833, and the median income for a family was $69,741. Males had a median income of $45,197 versus $40,750 for females. The per capita income for the CDP was $34,665. About 3.1% of families and 4.3% of the population were below the poverty line, including 4.3% of those under age 18 and none of those age 65 or over.
