Westhampton is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States. As of the 2020 census, Westhampton had a population of 3,621.
Westhampton is in the Town of Southampton.
Geography
Westhampton is located at (40.822894, -72.664306).
According to the United States Census Bureau, the CDP has a total area of , of which is land and , or 14.74%, is water.
Climate
Westhampton has an oceanic climate (Cfb) under the Köppen climate classification, with moderately cold winters and warm summers. The plant hardiness is more similar to a humid continental climate (Dfb) although winter days are mild enough that Westhampton is unlikely to maintain long-term snow cover in a normal winter. Due to the lack of an urban environment and being away from the immediate coastline, the area has much colder nights than New York City. Westhampton sees an average of 43.4 inches of precipitation per year.
Demographics
Racial and ethnic composition
{| class="wikitable sortable" style="text-align:center;"
|+Westhampton CDP, New York – Racial and ethnic composition<br><small></small>
!Race / Ethnicity <small>(NH = Non-Hispanic)</small>
!Pop 2000
!Pop 2010
!style="background-color: #ffffb3;" |Pop 2020
!% 2000
!% 2010
!style="background-color: #ffffb3;" |% 2020
|-
|White alone (NH)
|2,505
|2,504
|style='background: #ffffe6; |2,737
|87.31%
|81.33%
|style='background: #ffffe6; |75.59%
|-
|Black or African American alone (NH)
|124
|109
|style='background: #ffffe6; |80
|4.32%
|3.54%
|style='background: #ffffe6; |2.21%
|-
|Native American or Alaska Native alone (NH)
|6
|7
|style='background: #ffffe6; |4
|0.21%
|0.23%
|style='background: #ffffe6; |0.11%
|-
|Asian alone (NH)
|35
|35
|style='background: #ffffe6; |45
|1.22%
|1.14%
|style='background: #ffffe6; |1.24%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|0
|1
|style='background: #ffffe6; |0
|0.00%
|0.03%
|style='background: #ffffe6; |0.00%
|-
|Other race alone (NH)
|0
|5
|style='background: #ffffe6; |24
|0.00%
|0.16%
|style='background: #ffffe6; |0.66%
|-
|Mixed race or Multiracial (NH)
|42
|38
|style='background: #ffffe6; |77
|1.46%
|1.23%
|style='background: #ffffe6; |2.13%
|-
|Hispanic or Latino (any race)
|157
|380
|style='background: #ffffe6; |654
|5.47%
|12.34%
|style='background: #ffffe6; |18.06%
|-
|Total
|2,869
|3,079
|style='background: #ffffe6; |3,621
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
2020 census
As of the 2020 census, Westhampton had a population of 3,621. The median age was 48.3 years. 19.0% of residents were under the age of 18 and 27.1% were 65 years of age or older. For every 100 females there were 97.5 males, and for every 100 females age 18 and over there were 95.1 males age 18 and over.
82.4% of residents lived in urban areas, while 17.6% lived in rural areas.
There were 1,291 households in Westhampton, of which 27.9% had children under the age of 18 living in them. Of all households, 57.4% were married-couple households, 16.6% were households with a male householder and no spouse or partner present, and 19.8% were households with a female householder and no spouse or partner present. About 20.9% of all households were made up of individuals and 12.1% had someone living alone who was 65 years of age or older.