This data is based on ZIP codes 10528, 10538, 10543, 10580, which covers Mamaroneck and Harrison and Larchmont and New Rochelle and Port Chester and Rye and Scarsdale.
The U.S. Census reports business data by ZIP code, not city boundaries. All numbers reflect the combined ZIP codes 10528, 10538, 10543, 10580 area shared across these towns.
Showing latest year snapshot. Full economic history and trends available with a paid plan. See products & pricing →
Mamaroneck ZIP Area Economy · 2023
Wages -8% vs. avg. Westchester Co. town
Mamaroneck's ZIP area supports 22,838 jobs across 2,628 businesses, with workers earning an average of $84K per year, 8% below the Westchester County average. The economy is well-diversified (0.92 index), led by professional services and other services. 91.6% of businesses have fewer than 20 employees, and each business employs an average of 8.7 people. Jobs grew 4.5% from the prior year while business count grew 1.4%.
Where Businesses Clusteri
Larger blocks have more businesses.
Local Specialization vs. Westchester Avg.i
Industries sorted by relative concentration in this ZIP area.
Business Size Distributioni
2,628 businesses by employee count. 91.6% are small businesses (under 20 employees).
Medium (50-99)
Micro (<5)
Small (5-9)
Small (10-19)
Medium (20-49)
Large (100-249)
Major (250-499)
Economic Densityi
1.15
jobs per resident
8.7
employees per business
County avg: 12.1-28%
$96K
payroll per resident
$726K
payroll per business
Mamaroneck ZIP Area vs. Avg. Westchester Co. Towni
All Industries in ZIP Areai
| Sector | Mamaroneck ZIP | Avg. Westchester Co. | Spec. |
|---|---|---|---|
| Professional Services | 366 | 244 | 1.0x |
| Other Services | 303 | 203 | 1.0x |
| Healthcare | 267 | 206 | 0.9x |
| Construction | 266 | 192 | 0.9x |
| Retail Trade | 247 | 187 | 0.9x |
| Food & Accommodation | 229 | 156 | 1.0x |
| Real Estate | 200 | 130 | 1.0x |
| Finance & Insurance | 166 | 95 | 1.2x |
| Admin Services | 162 | 105 | 1.0x |
| Arts & Entertainment | 92 | 43 | 1.4x |
| Wholesale Trade | 90 | 64 | 0.9x |
| Education | 79 | 38 | 1.4x |
| Information | 61 | 35 | 1.2x |
| Manufacturing | 50 | 27 | 1.2x |
| Transportation | 32 | 32 | 0.7x |
| Management | 10 | 12 | 0.6x |