North Middletown is an unincorporated community and census-designated place (CDP) within Middletown Township, in Monmouth County, in the U.S. state of New Jersey. As of the 2020 census, the CDP population was 3,146,
The community was formerly known as East Keansburg and was renamed North Middletown by municipal ordinance around 1988.
Geography
North Middletown is in northeastern Monmouth County, in the northwest corner of Middletown Township. It is bordered to the east by Port Monmouth and to the west by the borough of Keansburg. The northern edge of the community is the shore of Sandy Hook Bay, an arm of Raritan Bay. New Jersey Route 36 runs along the southern border of the community, leading east to Atlantic Highlands and west the same distance to Keyport.
According to the U.S. Census Bureau, North Middletown has a total area of , all land. 1960 1970<br> 1980 1990 2000<br> 2010 2020
!Pop 2010
!style="background-color: #ffffb3;" |Pop 2020
!% 2000
!% 2010
!style="background-color: #ffffb3;" |% 2020
|-
|White alone (NH)
|2,884
|2,779
|style='background: #ffffe6; |2,499
|91.12%
|84.34%
|style='background: #ffffe6; |79.43%
|-
|Black or African American alone (NH)
|46
|55
|style='background: #ffffe6; |84
|1.45%
|1.67%
|style='background: #ffffe6; |2.67%
|-
|Native American or Alaska Native alone (NH)
|0
|5
|style='background: #ffffe6; |2
|0.00%
|0.15%
|style='background: #ffffe6; |0.06%
|-
|Asian alone (NH)
|45
|83
|style='background: #ffffe6; |68
|1.42%
|2.52%
|style='background: #ffffe6; |2.16%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|1
|1
|style='background: #ffffe6; |0
|0.03%
|0.03%
|style='background: #ffffe6; |0.00%
|-
|Other race alone (NH)
|4
|3
|style='background: #ffffe6; |17
|0.13%
|0.09%
|style='background: #ffffe6; |0.54%
|-
|Mixed race or Multiracial (NH)
|15
|52
|style='background: #ffffe6; |130
|0.47%
|1.58%
|style='background: #ffffe6; |4.13%
|-
|Hispanic or Latino (any race)
|170
|317
|style='background: #ffffe6; |346
|5.37%
|9.62%
|style='background: #ffffe6; |11.00%
|-
|Total
|3,165
|3,295
|style='background: #ffffe6; |3,146
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
2020 census
As of the 2020 census, North Middletown had a population of 3,146. The median age was 39.4 years. 21.0% of residents were under the age of 18 and 11.8% of residents were 65 years of age or older. For every 100 females, there were 97.6 males, and for every 100 females age 18 and older there were 96.7 males.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 1,169 households, of which 32.6% had children under the age of 18 living in them. Of all households, 48.1% were married-couple households, 16.9% were households with a male householder and no spouse or partner present, and 26.0% were households with a female householder and no spouse or partner present. About 20.3% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older.
There were 1,026 households, of which 45.8% had children under the age of 18 living with them, 57.8% were married couples living together, 16.4% had a female householder with no husband present, and 20.1% were non-families. 16.3% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older. The average household size was 3.08 and the average family size was 3.44.