Lake Grove, NY Profile: Facts & Data


Lake Grove Local Links & Resources:
Resources | ALL Lake Grove Content
Planning to visit Lake Grove? See Local Hotels

Also See: Lake Grove, NY ZIP Codes & ZIP Code Maps

Lake Grove, New York - Basic Facts

The Village of Lake Grove had a population of 11,117 as of July 1, 2020. 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 (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.

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


Lake Grove, NY Data & Demographics (As of July 1, 2020)


Total Population 11,117 (100%)
Population in Households 11,105 (99.9%)
Population in Families 9,659 (86.9%)
Population in Group Quarters1 12 ( 0.1%)
Population Density 3,762
Diversity Index2 43


Median Household Income $111,339
Average Household Income $140,985
% of Income for Mortgage4 16%
Per Capita Income $48,184
Wealth Index5 210


Total HU (Housing Units) 3,998 (100%)
Owner Occupied HU 3,088 (77.2%)
Renter Occupied HU 709 (17.7%)
Vacant Housing Units 201 ( 5.0%)
Median Home Value $433,875
Average Home Value $471,106
Housing Affordability Index3 114


Total Households 3,797
Average Household Size 2.92
Family Households 2,899
Average Family Size 3
  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.


2010-2020 2020-2025
Population -0.04% -0.29%
Households -0.04% -0.3%
Families -0.14% -0.35%
Median Household Income   1.74%
Per Capita Income   2.11%
Owner Occupied HU   -0.33%


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, 2020 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 # 174 86th
Population Density # 203 83rd
Median Household Income # 219 82nd
Housing Affordability Index # 356 30th
Per Capita Income # 270 77th
Diversity Index # 325 73rd

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

Lake Grove, NY - Most Popular Things to Do

Also See: Nearby Hotels | Driving Directions

Use HTL Address Research for a New York Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2020, data includes home values, household income, percentage of homes owned, rented or vacant, etc.

Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features

New York Census Data Comparison Tool

Compare New York July 1, 2020 Data
Highest or Lowest:

More Tools and Resources:

  1. For information about schools and school attendance zones, use the HTL Address Tool
  2. Our new HTL Neighborhood Explorer provides lots of detail about any neighborhood.
  3. The new 2-Minute Introduction and Concise Guide to Big Data which will help you make the most effective use of HomeTownLocator Tools.
  4. See the References & Data Sources page for more information about methodology and sources of data.
  5. See the New York COVID-19 Data and US COVID-19 Data for more information on the spread of the novel coronavirus.