Mamaroneck, NY Profile: Facts, Map & Data


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Mamaroneck, New York - Basic Facts

The Village of Mamaroneck had a population of 19,852 as of July 1, 2017. Mamaroneck 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 Mamaroneck is located at latitude 40.9365 and longitude -73.7261 in Westchester County. The formal boundaries for the Village of Mamaroneck (see map below) encompass a land area of 3.17 sq. miles and a water area of 3.41 sq. miles. Westchester County is in the Eastern time zone (GMT -5). The elevation is 0 feet.

The Village of Mamaroneck (GNIS ID: 2390959) 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 Mamaroneck is located within Town of Mamaroneck, a minor civil division (MCD) of Westchester County.

Beneath the boundary map are tables with Mamaroneck population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Mamaroneck: Mamoranick, Mamorineck, Mamoronock, Momaronak, Momomaroneck, Momoronack, Momoroneck, Moraneck.

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Village of Mamaroneck, NY Boundary Map

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Mamaroneck, NY Data & Demographics (As of July 1, 2017)


Total Population 19,852
Daytime Population: Workers 10,054
Daytime Population: Residents 9,808
Total Daytime Population (TDP) 19,862
Ratio TDP/Total Population1 1.00
Population in Households 19,460
Population in Familes 15,825
Population in Group Qrtrs 392
Population Density2 6,263
Diversity Index3 69


Median Household Income $90,745
Average Household Income $142,141
Per Capita Income $52,779


Total Housing Units 7,723 (100%)
Owner Occupied HU 4,219 (54.6%)
Renter Occupied HU 3,065 (39.7%)
Vacant Housing Units 439 ( 5.7%)
Median Home Value $652,849
Average Home Value $691,325


Total Households 7,284
Average Household Size 2.67
Family Households 4,833
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 race 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.


2010-2017 2017-2022
Population 0.66% 0.57%
Households 0.55% 0.5%
Families 0.37% 0.38%
Median Household Income   3.32%
Per Capita Income   2.82%

Mamaroneck, NY - Peer Comparisons by Rank and Percentile

The table below compares Mamaroneck to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2017 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 # 85 93rd
Population Density # 92 92nd
Diversity Index # 88 93rd
Median Household Income # 303 75th
Per Capita Income # 173 86th

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

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