East Marion, NY Profile: Facts & Data


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East Marion, New York - Basic Facts

The East Marion CDP(1) had a population of 1,028 as of July 1, 2023. East Marion 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 East Marion is located at latitude 41.1276 and longitude -72.3401 in Suffolk County. The formal boundaries for the East Marion Census Designated Place encompass a land area of 2.24 sq. miles and a water area of 0.13 sq. miles. Suffolk County is in the Eastern time zone (GMT -5).

The East Marion Census Designated Place 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 East Marion Census Designated Place is located within Town of Southold, a minor civil division (MCD) of Suffolk County.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. East Marion 2023 Demographic Data
  2. Growth Rates for East Marion (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New York Research Tools (Easy Tools & Current Data)
  3. New York Data Comparison Tool - 2023 Demographics

East Marion, NY Data & Demographics (As of July 1, 2023)


Total Population 1,028 (100%)
Population in Households 1,028 (100.0%)
Population in Families 818 (79.6%)
Population in Group Quarters1 0
Population Density 459
Diversity Index2 40


Median Household Income $92,800
Average Household Income $163,639
% of Income for Mortgage4 47%
Per Capita Income $77,999
Wealth Index5 225
Socioeconomic Status Index6 High (71.1)


Total HU (Housing Units) 942 (100%)
Owner Occupied HU 409 (43.4%)
Renter Occupied HU 81 ( 8.6%)
Vacant Housing Units 452 (48.0%)
Median Home Value $724,629
Average Home Value $846,027
Housing Affordability Index3 54


Total Households 490
Average Household Size 2.10
Family Households 318
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.


2020-2023 2023-2028
Population -0.59% -0.53%
Households -0.25% -0.29%
Families   -0.32%
Median Household Income   3.20%
Per Capita Income   3.11%
Owner Occupied HU   -0.10%

East Marion, NY - Peer Comparisons by Rank and Percentile

The table below compares East Marion to the other 1,293 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2023 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 # 843 35th
Population Density # 999 23rd
Median Household Income # 435 66th
Housing Affordability Index # 117 9th
Per Capita Income # 113 91st
Diversity Index # 514 60th

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

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