Middle Island, NY Profile: Facts & Data

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Middle Island, New York - Basic Facts

The Middle Island Census Designated Place had a population of 10,635 as of July 1, 2019. Middle Island ranks in 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 Middle Island is located at latitude 40.8843 and longitude -72.9373 in Suffolk County. The formal boundaries for the Middle Island Census Designated Place encompass a land area of 8.24 sq. miles and a water area of 0.06 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 82 feet.

The Middle Island Census Designated Place (GNIS ID: 2389478) 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 Middle Island Census Designated Place is located within Town of Brookhaven, a minor civil division (MCD) of Suffolk County.


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  1. Middle Island 2019 Demographic Data
  2. Growth Rates for Middle Island (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 - 2019 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2019, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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Middle Island, NY Data & Demographics (As of July 1, 2019)

HOUSING AFFORDABILITY INDEX

Middle Island, NY Housing Affordability Index is 86
State of New York Housing Affordability Index is 85
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.

WEALTH INDEX

Middle Island, NY Wealth Index is 94
State of New York Wealth Index is 109
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.

These new demographic attributes are availiable for cities, Counties, ZIP Codes and even neighborhoods (Census Blocks) when you search by a specific New York address.

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  2. References & Data Sources page for more information about methodology and sources of data.

POPULATION

Total Population 10,635
Population in Households 10,322
Population in Familes 8,144
Population in Group Qrtrs 313
Population Density 1,294
Diversity Index1 50
 

INCOME

Median Household Income $69,349
Average Household Income $85,474
Per Capita Income $34,257
Wealth Index3 94

HOUSING

Total Housing Units 4,539 (100%)
Owner Occupied HU 3,376 (74.4%)
Renter Occupied HU 880 (19.4%)
Vacant Housing Units 283 ( 6.2%)
Median Home Value $292,355
Housing Affordability Index2 86
 

HOUSEHOLDS

Total Households 4,256
Average Household Size 2.43
Family Households 2,711
Average Family Size 3
NOTES
  1. 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.
  2. 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.
  3. 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.

GROWTH RATE / YEAR

2010-2019 2019-2024
Population 0.16% -0.1%
Households 0.1% -0.16%
Families 0.0% -0.23%
Median Household Income   2.98%
Per Capita Income   2.89%

Middle Island, NY - Peer Comparisons by Rank and Percentile

The table below compares Middle Island to the other 1,195 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2019 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 # 187 84th
Population Density # 601 50th
Diversity Index # 248 79th
Median Household Income # 500 58th
Per Capita Income # 524 56th

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

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