Mamaroneck, NY demographics:
population, income, and more

Total population
19,826
-0.1% year-over-year change
Median household income
$120,000/yr
-4.3% year-over-year change
Housing units
7,858
2.2% year-over-year change

Mamaroneck population

How many people live in Mamaroneck

Mamaroneck is home to 19,826 residents, according to the most recent Census data. Gender-wise, 48.9% of Mamaroneck locals are male, and 51.1% are female.

Total population
19,826
-0.1% year-over-year change
Gender ratio
Male
48.9%
9,700
Female
51.1%
10,126
Value Percent YoY change
Male 9,700 48.9% -4.1%
Female 10,126 51.1% 4.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Mamaroneck is 40, with the population distributed as follows: about 21% are children under 15, then 10.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.8% of the population, while another 27.2% fall into the 45 to 64 bracket. Finally, around 14.3% are 65 or older.

Median age
40.3
Age breakdown
Under 15
21%
15 to 24
10.8%
25 to 44
26.8%
45 to 64
27.2%
Over 65
14.3%
Value Percent YoY change
Under 15 4,153 21% 0.5%
15 to 24 2,148 10.8% 3.5%
25 to 44 5,305 26.8% -0.2%
45 to 64 5,392 27.2% 5.8%
Over 65 2,828 14.3% -12.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Mamaroneck, 68.6% of the population are US-born citizens, while 16.6% have gained naturalized citizenship. At the same time, 14.8% of residents are non-citizens. As for race, 60.1% of locals are Caucasian, 5% are African American and 5.8% have Asian roots. There’s also a share of 12.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
68.6%
Non-U.S.-born citizens
16.6%
Non-citizens
14.8%
Value Percent YoY change
U.S.-born citizens 13,599 68.6% -0.6%
Non-U.S.-born citizens 3,290 16.6% 2.2%
Non-citizens 2,937 14.8% 0.1%
Racial breakdown
White
60.1%
Black or African American
5%
American Indian and Alaska Native
1.7%
Asian
5.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
12.2%
Other
15.2%
Value Percent
White 11,907 60.1%
Black or African American 994 5%
American Indian and Alaska Native 342 1.7%
Asian 1,155 5.8%
Two or more races 2,420 12.2%
Other 3,008 15.2%

Households in Mamaroneck

A peek inside Mamaroneck households

Mamaroneck has 7,276 households, with an average of 3 members in each. Of these, 72.2% are families, while the remaining 27.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
7,276
2.2% year-over-year change
Average people per household
3
Non-family households
2,024
Family households
5,252
Value Percent YoY change
Non-family households 2,024 27.8% 4.8%
Family households 5,252 72.2% 1.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Mamaroneck

The housing landscape of Mamaroneck

Mamaroneck's housing consists of 7,858 units, with 38.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.3% and offer a more compact, shared living style.

Housing units
7,858
2.2% year-over-year change
Housing types
Value Percent
1 unit, detached 3,030 38.6%
1 unit, attached 340 4.3%
2 units 1,164 14.8%
3 or 4 units 397 5%
5 to 9 units 1,046 13.3%
10 to 19 units 440 5.6%
20 to 49 units 440 5.6%
50 or more units 1,001 12.7%
Homes built since 2020
24
% year-over-year change

The age of buildings in Mamaroneck

In Mamaroneck, the median construction year is 1953. About 38.1% of homes were built before the 1940s, with another 6.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 3.4% of homes were added from 2000 to 2009, 4.6% between 2010 and 2019, and 0.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 2,996 38.1% 0.5%
Built between 1940 and 1949 479 6.1% -18.3%
Built between 1950 and 1959 1,483 18.9% 16.0%
Built between 1960 and 1969 997 12.7% 12.9%
Built between 1970 and 1979 202 2.6% -20.2%
Built between 1980 and 1989 531 6.8% 16.7%
Built between 1990 and 1999 521 6.6% -18.7%
Built between 2000 and 2009 263 3.4% 20.1%
Built between 2010 and 2019 362 4.6% -8.3%
Built in 2020 or later 24 0.3% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Mamaroneck occupancy rates

Out of the 7,276 occupied housing units in Mamaroneck, 56.8% are owner-occupied, while 43.2% are lived in by tenants. Meanwhile, 7.4% of all homes on the local market sit vacant.

Occupied housing units
7,276
2.2% year-over-year change
Occupancy breakdown
Renter occupied
3,143
Owner occupied
4,133
Value Percent YoY
change
Renter occupied 3,143 43.2% 7.3%
Owner occupied 4,133 56.8% -1.3%
Unoccupied housing units
7.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Mamaroneck housing costs

Housing costs in Mamaroneck come to a median of $2,508 per month, while tenants specifically pay a median gross rent of $2,157.

Median housing costs per month
$2,508/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Mamaroneck
$2,157/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Mamaroneck

Mamaroneck education at a glance

About 22.5% of the population in Mamaroneck went to high school, while 13.9% pursued college studies. Another 4.1% earned an associate degree and 27.1% hold a bachelor’s. Meanwhile, 26.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 940 6.3% 3.5%
High school diploma 3,371 22.5% 0.6%
College diploma 2,076 13.9% -11.8%
Associate degree 611 4.1% -3.8%
Bachelor's degree 4,061 27.1% -5.8%
Graduate degree 3,921 26.2% 10.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Mamaroneck

How much people earn in Mamaroneck

The average annual household income in Mamaroneck was $188,044 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.1% change from the previous year. At the same time, the median income stood at $120,000, reflecting a -4.4% shift over the same period.

Average household income in Mamaroneck
$188,044/year
2.1% year-over-year change
Median household income in Mamaroneck
$120,000/year
-4.3% year-over-year change

Mamaroneck income by age

In Mamaroneck, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $138,036. Those with someone between 45 and 64 in charge, often well established professionally, earn $163,523 overall. Overall, 89.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $138,036 -12.5%
45 - 64 $163,523 16.5%
Over 65 $93,889 21.5%
Above poverty level
17,219
Below poverty level
2,071
Value Percent YoY
change
Above poverty level 17,219 89.3% -3.7%
Below poverty level 2,071 10.7% 38.6%

Average renter income in Mamaroneck

To get a better sense of what renters earn on average in Mamaroneck, their median household income was $90,088 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 28.7%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$90,088
Rent-to-income ratio
28.7%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Mamaroneck

Workforce and job types in Mamaroneck

The job market in Mamaroneck is powered by 10,118 working residents, spread across a range of industries and roles. 85.6% of the working population are employed in professional or administrative positions, while 14.4% are in hands-on or service-based jobs. Also, 11.9% run their own businesses, 59% are employed by private companies, and 16.8% work in the public sector.

Workforce demographics

Working population
10,118
-0.9% year-over-year change
White collar
8,666
Blue collar
1,452
Value Percent YoY change
White collar 8,666 85.6% 1.8%
Blue collar 1,452 14.4% -14.3%
Employer type
Self employees
11.9%
Private companies
59%
Governmental workers
16.8%
Not for profit companies
12.2%
Value Percent YoY change
Self employees 1,206 11.9% -0.3%
Private companies 5,975 59% -10.8%
Governmental workers 1,700 16.8% 21.7%
Not for profit companies 1,237 12.2% 36.8%
Unemployment rate
4.1%
4.6% year-over-year change

Available workforce

The unemployment rate in Mamaroneck stands at 4.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Mamaroneck

How people get around in Mamaroneck

In Mamaroneck, the average commute time is 31 minutes. Commuting methods vary: 52.6% of residents travel by personal vehicle and 7.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
31 min
3.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 5,190 52.6% -1.1%
Bus or trolleybus 180 1.8% 14.7%
Subway or elevated 297 3% N/A
Railroad 1,313 13.3% -13.8%
Bicycle 9 0.1% 0.0%
Walk 701 7.1% -21.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Mamaroneck by zipcode?

Zipcode Population Number of households Median income Average income
10543 20,989 7,630 $126,417 $202,707

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FAQs about Mamaroneck demographics 

What is the total population of Mamaroneck?

Mamaroneck has a total population of 19,826 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.1% compared to a year ago.

What is the gender ratio in Mamaroneck?

The gender ratio in Mamaroneck is as follows:
  • 48.9% males (9,700 residents)
  • 51.1% females (10,126 residents)

What is the median age in Mamaroneck?

The median age in Mamaroneck is 40.3.

What is the age distribution of the population in Mamaroneck?

The age distribution in Mamaroneck is as follows:
  • Under 15: 21% (4,153 residents)
  • Ages 15-24: 10.8% (2,148 residents)
  • Ages 25-44: 26.8% (5,305 residents)
  • Ages 45-64: 27.2% (5,392 residents)
  • Over 65: 14.3% (2,828 residents)

What is the racial and ethnic makeup of Mamaroneck?

The racial and ethnic makeup of Mamaroneck is as follows:
  • White: 60.1% (11,907 residents)
  • Black or African American: 5% (994 residents)
  • American Indian and Alaska Native: 1.7% (342 residents)
  • Asian: 5.8% (1,155 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 12.2% (2,420 residents)
  • Other: 15.2% (3,008 residents)

What percentage of the population in Mamaroneck are U.S.-born citizens?

U.S.-born citizens represent 68.6% of the population in Mamaroneck.

How many housing units are there in Mamaroneck?

There are 7,858 housing units in Mamaroneck, reflecting a +2.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Mamaroneck and what is the average household size?

Mamaroneck has a total of 7,276 households, with an average of 3 people in each.

What is the median household income in Mamaroneck?

Mamaroneck has a median household income of $120,000, representing a -4.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Mamaroneck?

The employment rate is 95.9% in Mamaroneck, with a workforce of 10,118 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 85.6% (8,666 residents)
  • Blue-collar workers: 14.4% (1,452 residents)

Places of employment:
  • Self-employed: 11.9% (1,206 residents)
  • Private companies: 59% (5,975 residents)
  • Governmental workers: 16.8% (1,700 residents)
  • Not-for-profit companies: 12.2% (1,237 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025