Lake Grove, NY Profile: Facts & Data

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Lake Grove, New York - Basic Facts

The Village of Lake Grove had a population of 11,228 as of July 1, 2021. 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 40.8529 and longitude -73.1151 in Suffolk County. The formal boundaries for the Village of Lake Grove 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 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.

Alternate Unofficial Names for Lake Grove: Lakegrove, Lakeland, Lakeville.

Jump to... (On This Page!)
  1. Lake Grove 2021 Demographic Data
  2. Growth Rates for Lake Grove (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 - 2021 Demographics
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Lake Grove, NY Data & Demographics (As of July 1, 2021)

POPULATION

Total Population 11,228 (100%)
Population in Households 11,216 (99.9%)
Population in Families 9,752 (86.9%)
Population in Group Quarters1 12 ( 0.1%)
Population Density 3,799
Diversity Index2 43
 
 

INCOME

Median Household Income $119,160
Average Household Income $151,034
% of Income for Mortgage4 17%
Per Capita Income $51,715
Wealth Index5 223
 

HOUSING

Total HU (Housing Units) 4,031 (100%)
Owner Occupied HU 3,203 (79.5%)
Renter Occupied HU 639 (15.9%)
Vacant Housing Units 189 ( 4.7%)
Median Home Value $491,995
Average Home Value $547,121
Housing Affordability Index3 107
 

HOUSEHOLDS

Total Households 3,842
Average Household Size 2.92
Family Households 2,926
Average Family Size 3
NOTES
  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.

GROWTH RATE / YEAR

2010-2021 2021-2026
Population 0.05% -0.21%
Households 0.07% -0.24%
Families -0.04% -0.3%
Median Household Income   2.24%
Per Capita Income   2.08%
Owner Occupied HU   -0.14%

Lake Grove, NY - Peer Comparisons by Rank and Percentile

The table below compares Lake Grove to the other 1,195 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2021 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 # 173 86th
Population Density # 195 84th
Median Household Income # 202 83rd
Housing Affordability Index # 343 29th
Per Capita Income # 255 79th
Diversity Index # 329 73rd

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

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