Rockville Centre, NY Profile: Facts & Data


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Rockville Centre, New York - Basic Facts

The Village of Rockville Centre had a population of 25,008 as of July 1, 2021. Rockville Centre ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Rockville Centre is located at latitude 40.6587 and longitude -73.6412 in Nassau County. The formal boundaries for the Village of Rockville Centre encompass a land area of 3.25 sq. miles and a water area of 0.09 sq. miles. Nassau County is in the Eastern time zone (GMT -5). The elevation is 26 feet.

The Village of Rockville Centre 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 Rockville Centre is located within Town of Hempstead, a minor civil division (MCD) of Nassau County.

Alternate Unofficial Names for Rockville Centre: Rockville.

Jump to... (On This Page!)
  1. Rockville Centre 2021 Demographic Data
  2. Growth Rates for Rockville Centre (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

Rockville Centre, NY Data & Demographics (As of July 1, 2021)


Total Population 25,008 (100%)
Population in Households 24,788 (99.1%)
Population in Families 20,722 (82.9%)
Population in Group Quarters1 220 ( 0.9%)
Population Density 7,692
Diversity Index2 47


Median Household Income $123,955
Average Household Income $188,638
% of Income for Mortgage4 25%
Per Capita Income $74,685
Wealth Index5 257


Total HU (Housing Units) 10,315 (100%)
Owner Occupied HU 6,932 (67.2%)
Renter Occupied HU 2,966 (28.8%)
Vacant Housing Units 417 ( 4.0%)
Median Home Value $742,600
Average Home Value $795,622
Housing Affordability Index3 78


Total Households 9,898
Average Household Size 2.5
Family Households 6,445
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.


2010-2021 2021-2026
Population 0.36% 0.07%
Households 0.6% 0.18%
Families 0.31% 0.03%
Median Household Income   2.46%
Per Capita Income   1.88%
Owner Occupied HU   0.24%

Rockville Centre, NY - Peer Comparisons by Rank and Percentile

The table below compares Rockville Centre 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 # 64 95th
Population Density # 51 96th
Median Household Income # 183 85th
Housing Affordability Index # 149 12th
Per Capita Income # 100 92nd
Diversity Index # 283 76th

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

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