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 5,045 as of July 1, 2016. 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, 2016.

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

Neighborhood Data

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Village of Sea Cliff, NY Boundary Map

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Boundary Maps: Town of Oyster Bay | Nassau County | New York Counties

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Sea Cliff, NY Data & Demographics (As of July 1, 2016)


Total Population 5,045
Population in Households 4,952
Population in Familes 4,108
Population in Group Qrtrs 93
Population Density1 4,526
Diversity Index2 33


Total Households 1,967
Average Household Size 2.52
Family Households 1,317
Average Family Size 3


Total Housing Units 2,056 (100%)
Owner Occupied HU 1,434 (69.7%)
Renter Occupied HU 533 (25.9%)
Vacant Housing Units 89 ( 4.3%)
Median Home Value $698,343
Average Home Value $730,370


Median Household Income $107,376
Average Household Income $153,428
Per Capita Income $60,404
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.16% 0.26%
Households 0.06% 0.17%
Families -0.1% 0.08%
Median Household Income   1.57%
Per Capita Income   1.69%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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, 2016 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 # 347 71st
Population Density1 # 157 87th
Diversity Index2 # 428 64th
Median Household Income # 152 87th
Per Capita Income # 117 90th

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

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