Whittingham, also known as Greenbriar at Whittingham, is an unincorporated community and census-designated place (CDP) in Monroe Township, Middlesex County, New Jersey, United States. As of the 2020 census, the CDP's population was 2,348. 1960 1970<br> 1980 1990 2000<br> 2010 2020
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Whittingham first appeared as a census designated place in the 2000 U.S. census.
!Pop 2010
!style="background-color: #ffffb3;" |Pop 2020
!% 2000
!% 2010
!style="background-color: #ffffb3;" |% 2020
|-
|White alone (NH)
|2,434
|2,329
|style='background: #ffffe6; |2,097
|98.03%
|94.06%
|style='background: #ffffe6; |89.31%
|-
|Black or African American alone (NH)
|14
|54
|style='background: #ffffe6; |50
|0.56%
|2.18%
|style='background: #ffffe6; |2.13%
|-
|Native American or Alaska Native alone (NH)
|1
|0
|style='background: #ffffe6; |0
|0.04%
|0.00%
|style='background: #ffffe6; |0.00%
|-
|Asian alone (NH)
|12
|50
|style='background: #ffffe6; |106
|0.48%
|2.02%
|style='background: #ffffe6; |4.51%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|0
|0
|style='background: #ffffe6; |2
|0.00%
|0.00%
|style='background: #ffffe6; |0.09%
|-
|Other race alone (NH)
|4
|0
|style='background: #ffffe6; |7
|0.16%
|0.00%
|style='background: #ffffe6; |0.30%
|-
|Mixed race or Multiracial (NH)
|2
|3
|style='background: #ffffe6; |20
|0.08%
|0.12%
|style='background: #ffffe6; |0.85%
|-
|Hispanic or Latino (any race)
|16
|40
|style='background: #ffffe6; |66
|0.64%
|1.62%
|style='background: #ffffe6; |2.81%
|-
|Total
|2,483
|2,476
|style='background: #ffffe6; |2,348
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
2020 census
As of the 2020 census, Whittingham had a population of 2,348. The median age was 77.4 years. 1.7% of residents were under the age of 18 and 81.8% of residents were 65 years of age or older. For every 100 females there were 67.7 males, and for every 100 females age 18 and over there were 67.2 males age 18 and over.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 1,503 households in Whittingham, of which 3.5% had children under the age of 18 living in them. Of all households, 45.7% were married-couple households, 10.8% were households with a male householder and no spouse or partner present, and 41.1% were households with a female householder and no spouse or partner present. About 47.1% of all households were made up of individuals and 44.0% had someone living alone who was 65 years of age or older.
Of the 1,416 households, 3.0% had children under the age of 18; 58.9% were married couples living together; 1.7% had a female householder with no husband present and 39.1% were non-families. Of all households, 35.7% were made up of individuals and 33.1% had someone living alone who was 65 years of age or older. The average household size was 1.75 and the average family size was 2.16.
There were 1,339 households, out of which 0.7% had children under the age of 18 living with them, 75.7% were married couples living together, 1.2% had a female householder with no husband present, and 22.8% were non-families. 20.5% of all households were made up of individuals, and 16.9% had someone living alone who was 65 years of age or older. The average household size was 1.85 and the average family size was 2.07.