Mamaroneck, New York Population 2021

29,345
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Mamaroneck is a city located in Westchester County New York. Mamaroneck has a 2020 population of 29,345. Mamaroneck is currently declining at a rate of -0.25% annually but its population has increased by 0.60% since the most recent census, which recorded a population of 29,169 in 2010. Mamaroneck reached it's highest population of 29,794 in 2016.

The average household income in Mamaroneck is $249,799 with a poverty rate of 4.56%. The median rental costs in recent years comes to $1,885 per month, and the median house value is $863,500. The median age in Mamaroneck is 41.5 years, 38.9 years for males, and 43.5 years for females.

Mamaroneck Demographics

According to the most recent ACS, the racial composition of Mamaroneck was:

  • White: 85.06%
  • Other race: 6.33%
  • Asian: 4.73%
  • Black or African American: 2.02%
  • Two or more races: 1.62%
  • Native American: 0.24%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Mamaroneck, New York is 29,345 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 29,570.The last official US Census in 2010 recorded the population at 29,169.

Mamaroneck, New York Population 2021

Population by Race

Race Population Percentage
White25,23685.06%
Some Other Race1,8776.33%
Asian1,4034.73%
Black or African American6002.02%
Two or More Races4821.62%
American Indian and Alaska Native720.24%
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Mamaroneck Population by Race

Mamaroneck Population Pyramid $2021

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Mamaroneck Median Age

41.5


Total

38.9


Male

43.5


Female

Mamaroneck Adults

There are 21,892 adults, (4,926 of whom are seniors) in Mamaroneck.

Mamaroneck Age Dependency

74.9

Age Dependency Ratio

29

Old Age Dependency Ratio

45.8

Child Dependency Ratio

Mamaroneck Sex Ratio

Female

14,517

48.93%

Male

15,153

51.07%

Mamaroneck Population by Age

Mamaroneck Renter vs Owner Occupied by Household Type

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Mamaroneck Household Types

Type Owner Renter
Married84.5%15.5%
All72.4%27.6%
Female58.1%41.9%
Non Family53.3%46.7%
Male38%62%

72.4%

Rate of Home Ownership

Mamaroneck Households and Families

Type Count Average Size Owned
All10,7312.7372.4
Married6,6223.3284.5
Non Family2,9181.1953.3
Female8253.1358.1
Male3663.4738

3.21

Average Family Size

2.73

Average Household Size

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Mamaroneck Households by Type

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Education Attained Count Percentage
Less Than 9th Grade9374.60%
9th to 12th Grade6983.43%
High School Graduate2,37611.68%
Some College1,6628.17%
Associates Degree1,0245.03%
Bachelors Degree5,88728.93%
Graduate Degree7,76738.17%
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Mamaroneck Educational Attainment by Sex (over 25)

Mamaroneck Educational Attainment by Race

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Race Total High School Bachelors
White15,41614,85011,364
Hispanic3,2662,3221,168
Asian1,1401,131931
Other Race1,103726398
Black508354176
2+ Races938462
Native American5728

The highest rate of high school graduation is among asian people with a rate of 99.21%.

The highest rate of bachelors degrees is among asian people with a rate of 81.67%.

Mamaroneck Educational Attainment by Race

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Name Average Male Female
Overall$82,978$109,808$67,454
Less Than 9th Grade$24,531$27,095$18,646
High School Graduate$32,391$36,571$
Some College$63,147$63,798$58,047
Bachelors Degree$86,659$124,321$63,333
Graduate Degree$128,444$215,250$93,900

$82,978

Average Earnings

$109,808

Average Male

$67,454

Average Female

Mamaroneck Earnings by Educational Attainment

Mamaroneck Language by Age

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Mamaroneck Language

70.49% of Mamaroneck residents speak only English, while 29.51% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 13.73% of the population.

Mamaroneck Language

Mamaroneck Poverty by Race

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Name Total In Poverty Poverty Rate
White21,9437023.20%
Hispanic4,99458911.79%
Other1,8221799.82%
Black544529.56%
Multiple48220.41%

4.56%

Overall Poverty Rate

3.62%

Male Poverty Rate

5.56%

Female Poverty Rate

Poverty in Mamaroneck

The race most likely to be in poverty in Mamaroneck is Hispanic, with 11.79% below the poverty level.

The race least likely to be in poverty in Mamaroneck is Multiple, with 0.41% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.83%. Among those working part-time, it was 6.49%, and for those that did not work, the poverty rate was 11.74%.

Mamaroneck Poverty

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Name Poverty
Less Than 9th Grade15.00%
High School7.11%
Some College6.37%
Bachelors or Greater2.22%

Mamaroneck Poverty Rate by Education

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Rate Poverty
Male Unemployed23.14%
Female Unemployed12.01%
Female Employed4.06%
Male Employed1.96%

Mamaroneck Poverty Rate by Employment Status and Sex

Mamaroneck Income by Household Type

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Name Median Mean
Households$137,135$249,799
Families$194,652$302,413
Married Families$220,278-
Non Families$72,750$105,238
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Income by Household Type

Mamaroneck Marital Status

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Marriage Rates

59.0%

Overall Marriage Rate

60.4%

Male Marriage Rate

57.6%

Female Marriage Rate

Mamaroneck Married by Age and Sex

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Mamaroneck Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Mamaroneck Marital Status by Race

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Mamaroneck Marital Status

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589

Number of Veterans

555

Male Veterans

34

Female Veterans

War Veterans
Vietnam214
Korea90
First Gulf War78
World War II72
Second Gulf War

Mamaroneck Veterans by War

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Age Group Veterans
75+313
65 to 74197
35 to 5479
55 to 64
18 to 34

Mamaroneck Veterans by Age

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Name Veterans % of Total
White5893.15%
Hispanic180.49%

Mamaroneck Veterans by Race

Mamaroneck Veterans by Education

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2.92%

Veteran Poverty Rate

34.13%

Veteran Disability Rate

Mamaroneck Veterans by Education

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67.4%

Labor Force Participation

64.8%

Employment Rate

3.8%

Unemployment Rate

Mamaroneck Employment by Age

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Mamaroneck Employment by Race

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Mamaroneck Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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54.87%

Born in Mamaroneck

77.57%

Native Born

22.43%

Foreign Born

10.58%

Non Citizen

11.85%

Naturalized

Place of Birth

77.57% of Mamaroneck residents were born in the United States, with 54.87% having been born in New York. 10.58% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Mamaroneck Place of Birth

Year Population Growth Annual Growth Rate
202129,345-75-0.25%
202029,420-75-0.25%
201929,495-75-0.25%
201829,570-108-0.36%
201729,678-116-0.39%
201629,794410.14%
201529,753400.13%
201429,7131810.61%
201329,5321510.51%
201229,381510.17%
201129,3301610.55%
201029,1690.00%

Mamaroneck Population by Year