PlainZIP

Mamaroneck, NY · standard

ZIP Code 10543

Westchester County, New York - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

20,135
1,903/sq mi
$126,417
Median income
$729,600
Median home value
58.1%
Bachelor's or higher

The verdict

Mamaroneck pairs a top-decile household income with top-decile home values, in a low-density, mixed-tenure area.

Top 8%
household income, US ZIPs
Top 6%
home value, US ZIPs
1,903
people per sq mi
58%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 10543 against every reporting US ZIP.

ZIP code 10543 is a densely settled ZIP (a standard USPS delivery area) in Mamaroneck, Westchester County, New York, with 20,135 residents across 10.6 square miles, a density of 1,903 people per square mile, in the New York time zone.

ZIP 10543 skews affluent, with a median household income of $126,417 (37% above the New York average), while per-capita income is $75,380. 10.2% of residents live below the poverty line, and the unemployment rate reads 4.5%. On housing, the median home value is $729,600 (93% above the state average) with median rent at $2,165 per month, and 58.2% of occupied units are owner-occupied.

This is a highly-educated ZIP: 58.1% of adults hold a bachelor's degree or higher, the median age is 39.8, and the average commute is 32 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Westchester County, letting you compare 10543 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 10543

Top 5 sectors by establishment count in Mamaroneck, NY

Which industries have the most business establishments in ZIP 10543.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 10543, Mamaroneck, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

20,135

Population

10.6

Area (sq mi)

1,903

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 10543?

39.8

Median Age

49.1%

Male

50.9%

Female

28.0%

Foreign-Born

White 60.9%
African American 4.7%
Asian 6.1%
American Indian or Alaska Native 1.6%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 11.8%
Hispanic or Latino 26.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$126,417

Median Household Income

+37% vs state

$75,380

Per Capita Income

10.2%

Poverty Rate

4.5%

Unemployment Rate

31.8 min

Mean Commute Time

How ZIP 10543 ranks nationally

Mamaroneck, NY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$126,417 Top 8% higher than 92% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 73.7%
Bachelor's Degree or Higher 58.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

8,212

Total Housing Units

7,630

Occupied Units

582

Vacant Units

2.71

Avg Household Size

Occupancy Type

Owner 58.2%
Renter 41.8%

$729,600

Median Home Value

+93% vs state

$2,165

Median Rent

1954

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+16.6%

YoY Change (2024)

272

HPI Index (2000 = 100)

+172%

Total Change Since 2000

Home values in ZIP 10543 have increased 16.6% over the past year (2024). Since 2000, this ZIP has seen +172% cumulative appreciation.

Year Annual Change HPI Index
2020 -2.7% 196
2021 +9.6% 214
2022 +3.0% 221
2023 +5.5% 233
2024 +16.6% 272

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 880 business establishments in ZIP 10543, employing approximately 6,602 people with a combined annual payroll of $396,559,000.

880

Businesses

6,602

Employees

$396.6M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Construction 108 12.3%
Other services (except public administration) 108 12.3%
Health care and social assistance 101 11.5%
Retail trade 87 9.9%
Professional, scientific, and technical services 85 9.7%
Accommodation and food services 81 9.2%
Administrative and support and waste management and remediation services 69 7.8%
Real estate and rental and leasing 55 6.3%
Arts, entertainment, and recreation 35 4.0%
Wholesale trade 34 3.9%
Manufacturing 30 3.4%
Finance and insurance 28 3.2%
Educational services 23 2.6%
Information 22 2.5%
Transportation and warehousing 8 0.9%
Management of companies and enterprises 4 0.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 10543 vs 10538 →

ZIP 10543 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 10543 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 10543 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 10543 ranks #9 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
10538 Larchmont, NY 16,597 1.5 mi
10528 Harrison, NY 12,280 1.9 mi
10804 New Rochelle, NY 14,146 2.7 mi
10605 White Plains, NY 18,126 4.0 mi
10580 Rye, NY 17,208 2.9 mi
10709 Eastchester, NY 9,292 3.9 mi
10801 New Rochelle, NY 40,827 3.5 mi
10583 Scarsdale, NY 38,982 4.0 mi
10707 Tuckahoe, NY 10,097 4.6 mi
10805 New Rochelle, NY 18,414 4.5 mi

More ZIP Codes in Westchester County

10701 standard
Yonkers, NY
Pop: 63,393
10801 standard
New Rochelle, NY
Pop: 40,827
10583 standard
Scarsdale, NY
Pop: 38,982
10705 standard
Yonkers, NY
Pop: 38,777
10573 standard
Port Chester, NY
Pop: 38,352
10550 standard
Mount Vernon, NY
Pop: 37,144

Related Areas

Westchester County Mamaroneck, NY New York

Frequently Asked Questions

What county is ZIP code 10543 in? ▼
ZIP code 10543 (Mamaroneck) is located in Westchester County, New York. Westchester County contains multiple ZIP codes, see the full list at /counties/westchester-ny.
What is the population of ZIP code 10543? ▼
ZIP code 10543 in Mamaroneck, NY has a population of 20,135 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 10543? ▼
The median household income in ZIP 10543 is $126,417, which is 66% above the national average of $76,288.
What is the average home value in ZIP 10543? ▼
The median home value in ZIP 10543 is $729,600, which is 162% above the national average of $278,155.
What is the demographic makeup of ZIP 10543? ▼
The largest racial group in ZIP 10543 is White at 60.9%. Hispanic or Latino residents make up 26.0% of the population.
How many businesses are in ZIP code 10543? ▼
ZIP code 10543 has 880 business establishments employing approximately 6,602 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 10543? ▼
The top industries by establishment count in ZIP 10543 are: Construction (108), Other services (except public administration) (108), Health care and social assistance (101). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 10543? ▼
According to the FHFA House Price Index, home values in ZIP 10543 increased by 16.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 172%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 10543? ▼
In ZIP code 10543, 73.7% of residents aged 25+ have a high school diploma or higher, and 58.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 10543? ▼
The mean commute time for workers in ZIP code 10543 is 31.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 10543? ▼
In ZIP code 10543, approximately 58.2% of occupied housing units are owner-occupied and 41.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 10543? ▼
The poverty rate in ZIP code 10543 is 10.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.