Data Last Updated: July 1, 2025

Westchester County, NY ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Westchester, NY.	83 ZIP Codes (68 General, 13 PO Box, 0 Unique, & 2 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Westchester, NY. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.	329, 347, 845, 914, 929
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.	Eastern
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.	12:00:00 AM
Population: The population of Westchester, NY from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.	1,004,457 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.	36119
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.	New York-Newark-Jersey City, NY-NJ
Land Area: The approximate amount of land area covered by Westchester, NY in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.	431 square miles
Water Area: The approximate amount of water area covered by Westchester, NY in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.	69 square miles
Coordinates: The latitude/longitude centroid coordinates for Westchester County, NY.	-73.756103, 41.162566
Quick Link: Copy the direct link to the Westchester, NYCounty page and use anywhere you like!	https://www.zip-codes.com/county/ny-westchester.asp

Westchester, NY ZIP Code Boundaries

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Westchester County, NY Covers 83 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 10501	General	Amawalk	1,486	0.15%
ZIP Code 10502	General	Ardsley	6,261	0.62%
ZIP Code 10503	P.O. Box	Ardsley On Hudson	121	0.01%
ZIP Code 10504	General	Armonk	8,258	0.82%
ZIP Code 10505	General	Baldwin Place	1,431	0.14%
ZIP Code 10506	General	Bedford	5,762	0.57%
ZIP Code 10507	General	Bedford Hills	6,521	0.65%
ZIP Code 10510	General	Briarcliff Manor	10,010	1.00%
ZIP Code 10511	General	Buchanan	2,369	0.24%
ZIP Code 10514	General	Chappaqua	12,568	1.25%
ZIP Code 10517	P.O. Box	Crompond	549	0.05%
ZIP Code 10518	General	Cross River	1,327	0.13%
ZIP Code 10519	P.O. Box	Croton Falls	278	0.03%
ZIP Code 10520	General	Croton On Hudson	13,226	1.32%
ZIP Code 10521	P.O. Box	Croton On Hudson	0	0.00%
ZIP Code 10522	General	Dobbs Ferry	11,587	1.15%
ZIP Code 10523	General	Elmsford	9,489	0.94%
ZIP Code 10526	General	Goldens Bridge	1,865	0.19%
ZIP Code 10527	General	Granite Springs	785	0.08%
ZIP Code 10528	General	Harrison	13,108	1.30%
ZIP Code 10530	General	Hartsdale	13,037	1.30%
ZIP Code 10532	General	Hawthorne	5,115	0.51%
ZIP Code 10533	General	Irvington	7,705	0.77%
ZIP Code 10535	General	Jefferson Valley	531	0.05%
ZIP Code 10536	General	Katonah	10,792	1.07%
ZIP Code 10538	General	Larchmont	18,318	1.82%
ZIP Code 10540	P.O. Box	Lincolndale	19	0.00%
ZIP Code 10541 *	General	Mahopac	25,651	--
ZIP Code 10543	General	Mamaroneck	21,296	2.12%
ZIP Code 10545	P.O. Box	Maryknoll	160	0.02%
ZIP Code 10546	General	Millwood	1,426	0.14%
ZIP Code 10547	General	Mohegan Lake	7,293	0.73%
ZIP Code 10548	General	Montrose	3,743	0.37%
ZIP Code 10549	General	Mount Kisco	16,837	1.68%
ZIP Code 10550	General	Mount Vernon	41,137	4.10%
ZIP Code 10551	P.O. Box	Mount Vernon	0	0.00%
ZIP Code 10552	General	Mount Vernon	21,296	2.12%
ZIP Code 10553	General	Mount Vernon	11,281	1.12%
ZIP Code 10560	General	North Salem	4,854	0.48%
ZIP Code 10562	General	Ossining	34,252	3.41%
ZIP Code 10566	General	Peekskill	25,384	2.53%
ZIP Code 10567	General	Cortlandt Manor	20,400	2.03%
ZIP Code 10570	General	Pleasantville	13,986	1.39%
ZIP Code 10573	General	Port Chester	41,758	4.16%
ZIP Code 10576	General	Pound Ridge	5,099	0.51%
ZIP Code 10577	General	Purchase	6,008	0.60%
ZIP Code 10578	General	Purdys	721	0.07%
ZIP Code 10579 *	General	Putnam Valley	8,633	--
ZIP Code 10580	General	Rye	18,268	1.82%
ZIP Code 10583	General	Scarsdale	41,589	4.14%
ZIP Code 10587	P.O. Box	Shenorock	0	0.00%
ZIP Code 10588	General	Shrub Oak	2,430	0.24%
ZIP Code 10589	General	Somers	8,510	0.85%
ZIP Code 10590	General	South Salem	6,556	0.65%
ZIP Code 10591	General	Tarrytown	23,301	2.32%
ZIP Code 10594	General	Thornwood	5,028	0.50%
ZIP Code 10595	General	Valhalla	7,264	0.72%
ZIP Code 10596	P.O. Box	Verplanck	1,519	0.15%
ZIP Code 10597	General	Waccabuc	1,000	0.10%
ZIP Code 10598	General	Yorktown Heights	29,040	2.89%
ZIP Code 10601	General	White Plains	11,882	1.18%
ZIP Code 10602	P.O. Box	White Plains	0	0.00%
ZIP Code 10603	General	White Plains	18,033	1.80%
ZIP Code 10604	General	West Harrison	11,526	1.15%
ZIP Code 10605	General	White Plains	19,438	1.94%
ZIP Code 10606	General	White Plains	16,929	1.69%
ZIP Code 10607	General	White Plains	7,441	0.74%
ZIP Code 10610	P.O. Box	White Plains	0	0.00%
ZIP Code 10701	General	Yonkers	68,704	6.84%
ZIP Code 10702	P.O. Box	Yonkers	0	0.00%
ZIP Code 10703	General	Yonkers	22,571	2.25%
ZIP Code 10704	General	Yonkers	32,426	3.23%
ZIP Code 10705	General	Yonkers	41,785	4.16%
ZIP Code 10706	General	Hastings On Hudson	9,339	0.93%
ZIP Code 10707	General	Tuckahoe	10,553	1.05%
ZIP Code 10708	General	Bronxville	22,299	2.22%
ZIP Code 10709	General	Eastchester	10,131	1.01%
ZIP Code 10710	General	Yonkers	26,725	2.66%
ZIP Code 10801	General	New Rochelle	42,949	4.28%
ZIP Code 10802	P.O. Box	New Rochelle	0	0.00%
ZIP Code 10803	General	Pelham	13,255	1.32%
ZIP Code 10804	General	New Rochelle	14,455	1.44%
ZIP Code 10805	General	New Rochelle	18,479	1.84%

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Westchester, NY, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Westchester, NY Information

Westchester County, NY Covers 83 ZIP Codes. This includes 68 General ZIP Codes, 13 PO Box ZIP Codes, and 0 Unique (reserved for Business and Volume Mail Receivers). There are also 2 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Westchester County.

The population for Westchester County is 1,004,457, according to the U.S. Census. Population Density is 2,330.53 persons per square mile. With 388,963 Housing Units, the Average Household Size is 2.67 persons. There are 367,296 Family Households with an Average Family Size of 3.07 persons. 4.40% of the population is without Health Insurance. The 61.44% Employment Rate is 1.64% above the national average of 59.8%.697,202 people aged 25+ have some educational achievement, with 52.51% (or 366,101 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 5 area codes serving this area including329, 347, 845, 914 and 929. Westchester is also located in the Eastern timezone and the current local time is shown above.

Westchester is part of the New York-Newark-Jersey City, NY-NJ Core Based Statistical Area (CBSA). Its CBSA Code is 35620.It is classified as a metro area, which means the combined population is 50,000 or more (at its core).

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more (for a micro area) and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Westchester, NY have 367,564 Residential mailboxes and 27,835 Business mailboxes.There are 31,139 businesses with a total of 374,134 employees. That is an average of 12.0 employees per business. Annual payroll for these businesses is $31,166,198,000. Other Demographics

Westchester County Demographic Profile

Population & People

Total Population

1,004,457

Income

Median Household Income

$118,411

Housing

Total Housing Units

388,963

Health

Without Healthcare Coverage

4.40%

Business & Economy

Total Businesses

31,139

Families

Total Households

367,296

Employment

Employment Rate

61.44%

Education

Bachelor's Degree or Higher

52.51%

Total Population: Total number of people from the 2020 U.S. Census for Westchester, NY. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	1,004,457
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Westchester, NY. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.	979,507
Total Households: Total number of Households from the 2020 U.S. Census for Westchester, NY. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	367,296
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	388,963
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.67
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	3.07

Other Westchester Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	367,564
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	27,835
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined.	434,074
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	214,656
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	135,180

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	31,139
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$8,335,714,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$31,166,198,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	374,134

Sum of all ZIP Codes assigned Westchester, NY as their primary County.

References

U.S. Postal Service [Last Updated: 7/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 7/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov