Racial and ethnic composition 2020 census As of the
2020 census, Newington had a population of 13,223. The median age was 38.5 years. 23.5% of residents were under the age of 18 and 13.8% were 65 years of age or older. For every 100 females there were 92.5 males, and for every 100 females age 18 and over there were 90.5 males age 18 and over. There were 4,363 households in Newington, of which 38.0% had children under the age of 18 living in them. Of all households, 62.5% were married-couple households, 12.0% were households with a male householder and no spouse or partner present, and 21.2% were households with a female householder and no spouse or partner present. About 15.7% of all households were made up of individuals and 6.6% had someone living alone who was 65 years of age or older. There were 4,469 housing units, of which 2.4% were vacant. The homeowner vacancy rate was 0.6% and the rental vacancy rate was 4.8%. The
population density was 2,874.6 inhabitants per square mile (1,111.2/km2). The average housing unit density was 971.5 per square mile (375.5/km2).
Demographic estimates As of 2022, 4.9% of residents had
Italian ancestry, 36.3% spoke a language other than
English at home, and 26.6% were born outside the United States, 75.9% of whom were
naturalized citizens.
Income and poverty The median income for a household in the CDP was $160,243, and the median income for a family was $170,102. 12.3% of the population were
military veterans, and 59.4% had a
bachelors degree or
higher. In the CDP 2.7% of the population was below the
poverty line, including 1.1% of those under age 18 and 3.8% of those age 65 or over, with 4.3% of the population without
health insurance.
2010 census The population was 12,943 at the
2010 census.
2000 census As of the
census of
2000, there were 19,784 people, 6,710 households, and 5,321 families residing in the CDP. The population density was . There were 6,793 housing units at an average density of . The racial makeup of the CDP was 67.80%
White, 12.83%
African American, 0.26%
Native American, 11.66%
Asian, 0.08%
Pacific Islander, 2.66% from
other races, and 4.71% from two or more races.
Hispanic or
Latino of any race were 7.98% of the population. There were 6,710 households, out of which 43.4% had children under the age of 18 living with them, 66.6% were
married couples living together, 9.7% had a female householder with no husband present, and 20.7% were non-families. 15.7% of all households 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 2.93 and the average family size was 3.28. In the CDP, the population was spread out, with 28.5% under the age of 18, 6.3% from 18 to 24, 32.3% from 25 to 44, 26.1% from 45 to 64, and 6.8% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 96.1 males. For every 100 females age 18 and over, there were 91.9 males. According to a 2007 estimate, the median income for a household in the CDP was $112,675, and the median income for a family was $119,001. Males had a median income of $58,203 versus $41,177 for females. The
per capita income for the CDP was $32,901. About 1.3% of families and 2.1% of the population were below the
poverty line, including 2.3% of those under age 18 and 2.2% of those age 65 or over. ==Education==