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 10,471 as of July 1, 2018. 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 40.8925 and longitude -72.9512 in Suffolk County. The formal boundaries for the Middle Island Census Designated Place (see map below) 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 2018 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 - 2018 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, 2018, 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, 2018)

POPULATION

Total Population 10,471
Population in Households 10,158
Population in Familes 8,062
Population in Group Qrtrs 313
Population Density2 1,271
Diversity Index3 49
 

INCOME

Median Household Income $72,834
Average Household Income $89,013
Per Capita Income $36,515

HOUSING

Total Housing Units 4,497 (100%)
Owner Occupied HU 3,215 (71.5%)
Renter Occupied HU 969 (21.5%)
Vacant Housing Units 313 ( 7.0%)
Median Home Value $300,625
Average Home Value $349,456
 

HOUSEHOLDS

Total Households 4,184
Average Household Size 2.43
Family Households 2,658
Average Family Size 3
NOTES
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.

GROWTH RATE / YEAR

2010-2018 2018-2023
Population -0.01% 0.04%
Households -0.1% -0.01%
Families -0.24% -0.1%
Median Household Income   2.08%
Per Capita Income   3.08%

Middle Island, NY - Peer Comparisons by Rank and Percentile

The table below compares Middle Island to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2018 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 # 616 49th
Diversity Index # 244 80th
Median Household Income # 485 60th
Per Capita Income # 489 59th

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