Succasunna was part of the
Succasunna-Kenvil CDP in the
2000 United States census, which counted the combined population of Succasunna and Kenvil as 12,569. For the
2010 census, the area was split into two CDPs, Succasunna, with a population of 9,152,
Racial and ethnic composition 2020 census As of the
2020 census, Succasunna had a population of 10,338. The median age was 45.3 years. 20.1% of residents were under the age of 18 and 19.0% of residents were 65 years of age or older. For every 100 females there were 99.5 males, and for every 100 females age 18 and over there were 96.9 males age 18 and over. 100.0% of residents lived in urban areas, while 0.0% lived in rural areas. There were 3,657 households in Succasunna, of which 32.3% had children under the age of 18 living in them. Of all households, 69.6% were married-couple households, 10.7% were households with a male householder and no spouse or partner present, and 15.9% were households with a female householder and no spouse or partner present. About 15.5% of all households were made up of individuals and 7.9% had someone living alone who was 65 years of age or older. There were 3,744 housing units, of which 2.3% were vacant. The homeowner vacancy rate was 0.9% and the rental vacancy rate was 3.5%.
2010 census The
2010 United States census counted 9,152 people, 3,110 households, and 2,650 families in the CDP. The
population density was . There were 3,163 housing units at an average density of . The racial makeup was 91.40% (8,365)
White, 1.48% (135)
Black or African American, 0.04% (4)
Native American, 4.91% (449)
Asian, 0.00% (0)
Pacific Islander, 0.79% (72) from
other races, and 1.39% (127) from two or more races.
Hispanic or Latino of any race were 5.86% (536) of the population. Of the 3,110 households, 38.1% had children under the age of 18; 75.2% were married couples living together; 7.3% had a female householder with no husband present and 14.8% were non-families. Of all households, 12.2% were made up of individuals and 5.0% had someone living alone who was 65 years of age or older. The average household size was 2.94 and the average family size was 3.20. 24.9% of the population were under the age of 18, 7.1% from 18 to 24, 20.7% from 25 to 44, 35.3% from 45 to 64, and 12.1% who were 65 years of age or older. The median age was 43.5 years. For every 100 females, the population had 98.2 males. For every 100 females ages 18 and older there were 93.5 males. ==Education==