Sea Cliff, NY Profile: Facts, Map & Data


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Sea Cliff, New York - Basic Facts

The Village of Sea Cliff had a population of 5,081 as of July 1, 2017. Sea Cliff ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Sea Cliff is located at latitude 40.8462 and longitude -73.6504 in Nassau County. The formal boundaries for the Village of Sea Cliff (see map below) encompass a land area of 1.12 sq. miles and a water area of 0.85 sq. miles. Nassau County is in the Eastern time zone (GMT -5). The elevation is 184 feet.

The Village of Sea Cliff (GNIS ID: 2391126) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Sea Cliff is located within Town of Oyster Bay, a minor civil division (MCD) of Nassau County.

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

Alternate Unofficial Names for Sea Cliff: Carpenterville, Littleworth, Sea Cliff Grove.

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Village of Sea Cliff, NY Boundary Map

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


Total Population 5,081
Daytime Population: Workers 1,259
Daytime Population: Residents 2,466
Total Daytime Population (TDP) 3,725
Ratio TDP/Total Population1 0.73
Population in Households 4,990
Population in Familes 4,134
Population in Group Qrtrs 91
Population Density2 4,558
Diversity Index3 33


Median Household Income $111,030
Average Household Income $159,688
Per Capita Income $62,702


Total Housing Units 2,060 (100%)
Owner Occupied HU 1,448 (70.3%)
Renter Occupied HU 529 (25.7%)
Vacant Housing Units 83 ( 4.0%)
Median Home Value $717,871
Average Home Value $746,547


Total Households 1,977
Average Household Size 2.52
Family Households 1,320
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 0.24% 0.29%
Households 0.12% 0.18%
Families -0.05% 0.09%
Median Household Income   1.21%
Per Capita Income   1.96%

Sea Cliff, NY - Peer Comparisons by Rank and Percentile

The table below compares Sea Cliff 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 # 343 71st
Population Density # 158 87th
Diversity Index # 430 64th
Median Household Income # 155 87th
Per Capita Income # 120 90th

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

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