North Sea, NY Profile: Facts, Map & Data


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North Sea, New York - Basic Facts

The North Sea Census Designated Place had a population of 4,616 as of July 1, 2017. North Sea ranks in the lower quartile for Population Density and the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for North Sea is located at latitude 40.9311 and longitude -72.4061 in Suffolk County. The formal boundaries for the North Sea Census Designated Place (see map below) encompass a land area of 11.05 sq. miles and a water area of 1.04 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 16 feet.

The North Sea Census Designated Place (GNIS ID: 2389582) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The North Sea Census Designated Place is located within Town of Southampton, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with North Sea population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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North Sea Census Designated Place, NY Boundary Map

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Boundary Maps: Town of Southampton | Suffolk County | New York Counties

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North Sea, NY Data & Demographics (As of July 1, 2017)


Total Population 4,616
Daytime Population: Workers 1,587
Daytime Population: Residents 2,287
Total Daytime Population (TDP) 3,874
Ratio TDP/Total Population1 0.84
Population in Households 4,613
Population in Familes 3,638
Population in Group Qrtrs 3
Population Density2 418
Diversity Index3 45


Median Household Income $100,327
Average Household Income $142,906
Per Capita Income $56,039


Total Housing Units 3,484 (100%)
Owner Occupied HU 1,320 (37.9%)
Renter Occupied HU 489 (14.0%)
Vacant Housing Units 1,675 (48.1%)
Median Home Value $854,052
Average Home Value $865,371


Total Households 1,809
Average Household Size 2.55
Family Households 1,179
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.48% 0.46%
Households 0.29% 0.34%
Families 0.24% 0.24%
Median Household Income   1.43%
Per Capita Income   2.19%

North Sea, NY - Peer Comparisons by Rank and Percentile

The table below compares North Sea to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 375 69th
Population Density # 999 17th
Diversity Index # 276 77th
Median Household Income # 235 80th
Per Capita Income # 160 87th

Additional comparisons and rankings can be made with a VERY EASY TO USE New York Census Data Comparison Tool.

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