Southold, NY Profile: Facts, Map & Data


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Southold, New York - Basic Facts

The Southold Census Designated Place had a population of 6,131 as of July 1, 2016. Southold ranks in the lower 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 Southold is located at latitude 41.0599 and longitude -72.4273 in Suffolk County. The formal boundaries for the Southold Census Designated Place (see map below) encompass a land area of 10.47 sq. miles and a water area of 0.86 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 23 feet.

The Southold Census Designated Place (GNIS ID: 2390327) 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 Southold Census Designated Place is located within Town of Southold, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with Southold 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 Southold: Southoule, Yennecock.

Neighborhood Data

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Southold Census Designated Place, NY Boundary Map

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


Total Population 6,131
Population in Households 6,097
Population in Familes 4,952
Population in Group Qrtrs 34
Population Density1 586
Diversity Index2 32


Total Households 2,572
Average Household Size 2.37
Family Households 1,734
Average Family Size 3


Total Housing Units 4,165 (100%)
Owner Occupied HU 2,132 (51.2%)
Renter Occupied HU 440 (10.6%)
Vacant Housing Units 1,593 (38.2%)
Median Home Value $575,472
Average Home Value $646,670


Median Household Income $72,973
Average Household Income $102,451
Per Capita Income $43,155
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.04% 0.75%
Households 1.02% 0.73%
Families 0.86% 0.64%
Median Household Income   2.47%
Per Capita Income   1.84%
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.

Southold, NY - Peer Comparisons by Rank and Percentile

The table below compares Southold 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 # 302 75th
Population Density1 # 893 25th
Diversity Index2 # 434 64th
Median Household Income # 421 65th
Per Capita Income # 263 78th

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

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