Armonk ZIP Code List — Westchester County, NY

There is one unique ZIP code in Armonk, New York and it is 10504. Area code: 914.
1
ZIP codes
16.13
sq mi land
1.80
sq mi water
914
area code
Armonk, NY ZIP code map

About Armonk, NY

Armonk, NY, is a charming hamlet located in Westchester County, known for its community spirit and lush landscapes. Nestled in the northern suburbs of New York City, it provides a peaceful retreat from the bustling urban life, making it a desirable place for families and professionals alike. With its well-preserved historical buildings and modern amenities, Armonk offers a unique blend of small-town charm and suburban convenience.

Location & geography

Armonk is situated approximately 33 miles north of Manhattan, making it an ideal location for commuters. Neighboring cities include White Plains to the southeast at about 11 miles away, North Castle directly to the south, and Bedford which is approximately 6 miles to the north. The area encompasses 16.13 square miles of land and features 1.80 square miles of water, contributing to its scenic quality and attractive recreational opportunities.

Community & economy

The character of Armonk is defined by its close-knit community, where residents often participate in local events and activities that enhance community ties. This hamlet has a diverse economy that includes retail, professional services, and technology firms, serving both local and regional markets. Daily life in Armonk revolves around its family-oriented amenities, including parks, schools, and community centers, which reflect its commitment to quality living.

Transportation

Armonk is conveniently located near major highways, including Interstate 684, which provides direct access to nearby cities and the greater metropolitan area. The nearest airport, Westchester County Airport, is approximately 10 miles away, offering regional flights and making travel accessible for residents. Public transportation options include local bus services that connect Armonk with nearby towns and the Metro-North train service in adjacent communities.

History

Armonk was founded in the early 18th century and has since developed into a vibrant community with a rich history. Once primarily an agricultural area, it has evolved to accommodate a mix of resident types and notable businesses, including the well-known IBM headquarters that influenced its economic growth in the mid-20th century. Key events during its development have centered on community building and the preservation of its historical landmarks.

Did you know?

A little-known fact about Armonk is that it was once home to the famous author Washington Irving, who greatly influenced American literature. Additionally, it hosts the annual Armonk Outdoor Art Show, which showcases local and national artists and attracts thousands of visitors each year.

ZIP codes for Armonk, NY (1)
ZIP code City County Map
10504 Armonk Westchester View map

Demographics & statistics

8,047
Population
43.8
Median age
$243,523
Median household income
$126,797
Per capita income
$1,137,300
Median home value
$2,326
Median monthly rent
92.0%
Home ownership
2.7%
Poverty rate
2.2%
Unemployment
2,642
Housing units
80.3%
Bachelor's or higher

Age distribution

Male Female
275
Under 5
246
307
5–9
273
327
10–14
292
290
15–19
259
198
20–24
176
342
25–34
304
486
35–44
434
691
45–54
616
329
55–59
293
417
60–64
371
357
65–74
319
134
75–84
120
101
85+
90
← Male
Female →

Age summary

GroupCount%
Under 182,14726.7%
18 and over5,90073.3%
65 and over1,12113.9%
Median age43.8 years

Race & ethnicity

White 73.5%
Hispanic or Latino 8.7%
Other race 6.4%
Two or more races 5.7%
Asian 4.4%
Black or African American 1.2%
GroupCount%
White6,48073.5%
Hispanic or Latino7718.7%
Other race5636.4%
Two or more races5075.7%
Asian3874.4%
Black or African American1101.2%

Household income

Under $10k 1.8%
$10k–$15k 0.3%
$15k–$25k 1.0%
$25k–$35k 0.4%
$35k–$50k 5.7%
$50k–$75k 3.4%
$75k–$100k 8.0%
$100k–$150k 9.3%
$150k–$200k 10.3%
$200k+ 59.9%
Range% of households
Under $10k1.8%
$10k–$15k0.3%
$15k–$25k1.0%
$25k–$35k0.4%
$35k–$50k5.7%
$50k–$75k3.4%
$75k–$100k8.0%
$100k–$150k9.3%
$150k–$200k10.3%
$200k+59.9%
Median income$243,523

Housing

Home values

$100k–$150k 0.6%
$150k–$200k 0.4%
$200k–$300k 4.0%
$300k–$500k 1.3%
$500k–$1M 33.5%
$1M+ 60.2%

Housing overview

MetricValue
Median home value$1,137,300
Median rent / month$2,326
Owner occupied92.0%
Renter occupied8.0%
Vacant7.7%
Single-family detached87.4%
Large apartment buildings2.7%
Mobile homes0.3%
Median rooms8.2
Avg household size (owned)3.07

Year built

Era%
2020 or later0.0%
2010–201910.7%
2000–200910.5%
1990–199915.9%
1980–19897.2%
1970–19799.0%
1960–196916.9%
1950–195915.7%
1940–19492.9%
1939 or earlier11.2%

Bedrooms

Size% of units
No bedroom (studio)2.7%
1 bedroom0.6%
2 bedrooms9.1%
3 bedrooms26.3%
4 bedrooms40.2%
5+ bedrooms21.1%

Vehicles per household

Vehicles% of households
No vehicle1.9%
1 vehicle11.5%
2 vehicles47.6%
3 or more39.0%

Heating fuel

Fuel type%
Utility gas33.2%
Electricity5.5%
Propane / LP gas8.8%
Fuel oil50.5%
Wood1.6%

Households & families

Household typeCount%
Married-couple family2,01276.4%
Cohabiting couple813.1%
Male householder, no spouse2298.7%
Female householder, no spouse31211.8%
Households with children under 181,18344.9%
Households with seniors (65+)78229.7%
Average household size3.04

Marital status

StatusMaleFemale
Never married26.7%20.9%
Married66.9%66.2%
Separated1.9%1.0%
Widowed2.5%7.4%
Divorced2.0%4.4%

Education

Less than 9th grade 0.5%
Some HS, no diploma 1.8%
HS graduate 8.2%
Some college, no degree 4.0%
Associate's degree 5.3%
Bachelor's degree 39.7%
Graduate / professional 40.5%
Metric%
HS diploma or higher97.8%
Bachelor's or higher80.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1938.7%
Kindergarten1486.7%
Elementary school99144.7%
High school52523.7%
College / grad school35916.2%

Employment

Industry of employment

Education & healthcare 27.0%
Finance & real estate 24.0%
Professional & management 17.0%
Construction 5.9%
Retail trade 4.4%
Other services 3.7%
Manufacturing 3.6%
Public administration 3.3%
Wholesale trade 3.2%
Arts, food & hospitality 3.2%
Information 3.0%
Transportation & utilities 1.6%
Agriculture & mining 0.1%

Occupation

Category%
Management, business & arts67.4%
Service7.3%
Sales & office18.2%
Natural resources & construction5.0%
Production & transportation2.2%

Employment type

Type%
Private sector78.2%
Government14.7%
Self-employed7.2%
Unpaid family workers0.0%

Commute

Method%
Drive alone55.1%
Carpool3.5%
Public transit18.1%
Walk0.3%
Other means0.0%
Avg commute (minutes)40.4

Poverty

All people 2.7%
Under 18 years 4.3%
18 and over 2.1%
Married-couple families 1.1%
Female-led households 20.3%

Income support

Source% of households
Social Security28.3%
Retirement income20.7%
Supplemental Security2.6%
Cash public assistance1.3%
Food stamps / SNAP0.8%

Health indicators

Condition%
High blood pressure24.5%
High cholesterol31.2%
Heart disease4.5%
Stroke1.9%
Asthma8.2%
Arthritis18.3%
Kidney disease2.2%
Pulmonary disease3.7%
Cancer7.6%
Behavior / access%
Binge drinking15.4%
No physical activity13.5%
Less than 7 hrs sleep27.8%
Fair or poor health6.3%
Poor mental health9.9%
Poor physical health6.3%
No health insurance5.3%
Visited doctor (checkup)78.2%
Visited dentist81.7%
Cholesterol screening95.4%
Teeth loss4.7%

Veterans & disability

VeteransCount%
Civilian veterans581.0%
Disability%
Any disability4.3%
Under 185.4%
18–64 years2.2%
65 and over11.7%

Health insurance coverage

Type%
Private insurance92.3%
Public insurance17.4%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only7,52693.5%
Spanish3194.2%
Other Indo-European1652.2%
Asian & Pacific Islander660.9%
Other languages741.0%

Place of birth & citizenship

OriginCount%
Native born (US)6,88385.5%
Born in same state6,83284.9%
Born in different state5,24565.2%
Foreign born510.6%
Naturalized citizen1,16414.5%
Not a US citizen80369.0%

Ancestry

AncestryCount%
Italian86110.7%
Arab7389.2%
French3964.9%
AncestryCount%
German901.1%
Irish831%
Polish270.3%

Technology access

Metric% of households
Computer access32.7%
Internet access97.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What is the ZIP code for Armonk, NY?
Armonk, NY has one ZIP code: 10504.
What is the main ZIP code for Armonk, NY?
The primary ZIP code for Armonk, NY is 10504. The city uses area code 914 for phone service.
What county is Armonk, NY in?
Armonk is located in Westchester County, New York.
How many ZIP codes are in Armonk, NY?
Armonk, NY has 1 ZIP code.
What ZIP code should I use when mailing something to the IBM Research Division headquarters in Armonk?
IBM's Armonk facility is located in ZIP code 10504, which is the primary ZIP code serving this corporate office complex in Westchester County.
If I'm sending mail to a business in downtown Armonk near Route 22, what ZIP code do I need?
Downtown Armonk and areas near Route 22 use ZIP code 10504, which covers the entire village.
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