Kings Park, NY Profile: Facts & Data


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Kings Park, New York - Basic Facts

The Kings Park Census Designated Place had a population of 16,860 as of July 1, 2020.

The primary coordinate point for Kings Park is located at latitude 40.8862 and longitude -73.2573 in Suffolk County. The formal boundaries for the Kings Park Census Designated Place encompass a land area of 6.22 sq. miles and a water area of 0.39 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 174 feet.

The Kings Park Census Designated Place (GNIS ID: 2390002) 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 Kings Park Census Designated Place is located within Town of Smithtown, a minor civil division (MCD) of Suffolk County.


Kings Park, NY Data & Demographics (As of July 1, 2020)


Total Population 16,860 (100%)
Population in Households 16,442 (97.5%)
Population in Families 14,230 (84.4%)
Population in Group Quarters1 418 ( 2.5%)
Population Density 2,706
Diversity Index2 27


Median Household Income $112,657
Average Household Income $142,188
% of Income for Mortgage4 17%
Per Capita Income $51,228
Wealth Index5 215


Total HU (Housing Units) 6,476 (100%)
Owner Occupied HU 4,939 (76.3%)
Renter Occupied HU 1,130 (17.4%)
Vacant Housing Units 407 ( 6.3%)
Median Home Value $460,253
Average Home Value $512,295
Housing Affordability Index3 112


Total Households 6,069
Average Household Size 2.71
Family Households 4,384
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 -0.24% -0.38%
Households -0.23% -0.39%
Families -0.31% -0.45%
Median Household Income   1.68%
Per Capita Income   2.16%
Owner Occupied HU   -0.38%


Kings Park, NY - Peer Comparisons by Rank and Percentile

The table below compares Kings Park 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 # 111 91st
Population Density # 310 74th
Median Household Income # 211 82nd
Housing Affordability Index # 338 28th
Per Capita Income # 225 81st
Diversity Index # 547 54th

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

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