Oakdale, NY Profile: Facts & Data


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Oakdale, New York - Basic Facts

The Oakdale CDP(1) had a population of 7,272 as of July 1, 2023.

The primary coordinate point for Oakdale is located at latitude 40.744 and longitude -73.1387 in Suffolk County. The formal boundaries for the Oakdale Census Designated Place encompass a land area of 3.42 sq. miles and a water area of 0.39 sq. miles. Suffolk County is in the Eastern time zone (GMT -5).

The Oakdale Census Designated Place 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 Oakdale Census Designated Place is located within Town of Islip, a minor civil division (MCD) of Suffolk County.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. Oakdale 2023 Demographic Data
  2. Growth Rates for Oakdale (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 - 2023 Demographics

Oakdale, NY Data & Demographics (As of July 1, 2023)


Total Population 7,272 (100%)
Population in Households 7,248 (99.7%)
Population in Families 5,952 (81.8%)
Population in Group Quarters1 24 ( 0.3%)
Population Density 2,289
Diversity Index2 30


Median Household Income $133,575
Average Household Income $180,295
% of Income for Mortgage4 26%
Per Capita Income $76,493
Wealth Index5 234
Socioeconomic Status Index6 Moderate (60.9)


Total HU (Housing Units) 3,227 (100%)
Owner Occupied HU 2,588 (80.2%)
Renter Occupied HU 497 (15.4%)
Vacant Housing Units 142 ( 4.4%)
Median Home Value $580,679
Average Home Value $586,032
Housing Affordability Index3 78


Total Households 3,085
Average Household Size 2.35
Family Households 1,981
Average Family Size 3.00
  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.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.


2020-2023 2023-2028
Population -0.66% -0.54%
Households -0.24% -0.25%
Families   -0.23%
Median Household Income   2.68%
Per Capita Income   2.33%
Owner Occupied HU   -0.16%

Oakdale, NY - Peer Comparisons by Rank and Percentile

The table below compares Oakdale to the other 1,293 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2023 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 # 268 79th
Population Density # 383 70th
Median Household Income # 176 86th
Housing Affordability Index # 381 29th
Per Capita Income # 123 91st
Diversity Index # 690 47th

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

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