Lake Grove, NY Profile: Facts, Map & Data


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Lake Grove, New York - Basic Facts

The Village of Lake Grove had a population of 11,482 as of July 1, 2016. Lake Grove 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 Lake Grove is located at latitude 40.8578 and longitude -73.1168 in Suffolk County. The formal boundaries for the Village of Lake Grove (see map below) encompass a land area of 2.95 sq. miles and a water area of 0 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 118 feet.

The Village of Lake Grove (GNIS ID: 2390926) 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 Lake Grove is located within Town of Brookhaven, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with Lake Grove 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 Lake Grove: Lakegrove, Lakeland, Lakeville.

Neighborhood Data

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Village of Lake Grove, NY Boundary Map

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


Total Population 11,482
Population in Households 11,470
Population in Familes 10,000
Population in Group Qrtrs 12
Population Density1 3,885
Diversity Index2 40


Total Households 3,935
Average Household Size 2.91
Family Households 3,013
Average Family Size 3


Total Housing Units 4,086 (100%)
Owner Occupied HU 3,161 (77.4%)
Renter Occupied HU 774 (18.9%)
Vacant Housing Units 151 ( 3.7%)
Median Home Value $401,763
Average Home Value $443,161


Median Household Income $95,779
Average Household Income $116,806
Per Capita Income $40,097
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.45% 0.4%
Households 0.5% 0.41%
Families 0.39% 0.34%
Median Household Income   1.56%
Per Capita Income   1.48%
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.

Lake Grove, NY - Peer Comparisons by Rank and Percentile

The table below compares Lake Grove 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 # 172 86th
Population Density1 # 195 84th
Diversity Index2 # 320 73rd
Median Household Income # 242 80th
Per Capita Income # 317 74th

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

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