Old Brookville, NY Profile: Facts & Data


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Old Brookville, New York - Basic Facts

The Village of Old Brookville had a population of 2,028 as of July 1, 2023.

The primary coordinate point for Old Brookville is located at latitude 40.832 and longitude -73.6049 in Nassau County. The formal boundaries for the Village of Old Brookville encompass a land area of 3.99 sq. miles and a water area of 0 sq. miles. Nassau County is in the Eastern time zone (GMT -5).

The Village of Old Brookville 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 Old Brookville is located within Town of Oyster Bay, a minor civil division (MCD) of Nassau County.

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  1. Old Brookville 2023 Demographic Data
  2. Growth Rates for Old Brookville (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

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


Total Population 2,028 (100%)
Population in Households 2,025 (99.9%)
Population in Families 1,803 (88.9%)
Population in Group Quarters1 3 ( 0.1%)
Population Density 509
Diversity Index2 46


Median Household Income $200,001
Average Household Income $304,196
% of Income for Mortgage4 45%
Per Capita Income $104,551
Wealth Index5 418
Socioeconomic Status Index6 High (73.8)


Total HU (Housing Units) 723 (100%)
Owner Occupied HU 618 (85.5%)
Renter Occupied HU 79 (10.9%)
Vacant Housing Units 26 ( 3.6%)
Median Home Value $1,503,067
Average Home Value $1,530,340
Housing Affordability Index3 56


Total Households 697
Average Household Size 2.91
Family Households 547
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 0.12% -0.53%
Households 0.22% -0.06%
Families   -0.15%
Median Household Income   0.00%
Per Capita Income   2.10%
Owner Occupied HU   0.23%

Old Brookville, NY - Peer Comparisons by Rank and Percentile

The table below compares Old Brookville 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 # 624 52nd
Population Density # 958 26th
Median Household Income # 23 98th
Housing Affordability Index # 133 10th
Per Capita Income # 32 98th
Diversity Index # 421 68th

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

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