10504 ZIP Code — Armonk, NY

Westchester County, New York

ZIP code 10504 is located in Armonk, New York, within Westchester County. It covers approximately 16.13 square miles and serves a population of 8,047 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 914.

About ZIP code 10504

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $1,137,300. Owner-occupancy is high at 92%, well above the national average.

The gap between median ($243,523) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 40 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 23% of workers work from home.

Educational attainment is high — 80% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 10504 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

8,047
population
16.13
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
10504 ZIP code map
Cities in ZIP code 10504

Below are the cities the US Postal Service accepts for ZIP code 10504. Using any city not on this list may result in mail delivery delays.

City Status
Armonk Acceptable
Armonk Preferred
Nearby ZIP codes
10594 Thornwood (3.3 mi) 06831 Greenwich (3.9 mi) 10570 Pleasantville (4.4 mi) 10595 Valhalla (4.7 mi) 10514 Chappaqua (4.7 mi) 10604 West Harrison (5.2 mi) 10549 Mount Kisco (5.2 mi) 10532 Hawthorne (5.5 mi) 10506 Bedford (5.8 mi) 10603 White Plains (5.8 mi) 10577 Purchase (6 mi) 10546 Millwood (6.7 mi)
Demographics updated 06/2026
Population
Total population 8,047
Population density 499 / sq mi
State FIPS 36
County FIPS 119
Geography
Land area 16.13 sq mi
Water area 1.80 sq mi
Latitude 41.1247
Longitude -73.7086
Timezone Eastern (ET)
Area code 914
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 13.6% 27.3% 37.0%
$50k – $100k 11.3% 23.0% 27.0%
$100k – $200k 22.6% 26.5% 24.4%
Over $200k 52.6% 23.2% 11.5%

Demographics & statistics

8,047
Population
499
People per sq mi
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

Income range This ZIP County avg State avg
Under $50k 13.6% 27.3% 37.0%
$50k – $100k 11.3% 23.0% 27.0%
$100k – $200k 22.6% 26.5% 24.4%
Over $200k 52.6% 23.2% 11.5%
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%
Work from home22.9%
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%
Obesity17.8%
High blood pressure24.5%
High cholesterol31.2%
Diabetes6.7%
Heart disease4.5%
Stroke1.9%
Asthma8.2%
Arthritis18.3%
Kidney disease2.2%
Pulmonary disease3.7%
Cancer7.6%
Behavior / access%
Smoking7.4%
Binge drinking15.4%
No physical activity13.5%
Less than 7 hrs sleep27.8%
Depression16.1%
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%
No insurance0.7%
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 about ZIP code 10504

What city is ZIP code 10504 in?

ZIP code 10504 is primarily assigned to Armonk, New York.

What county is ZIP code 10504 in?

ZIP code 10504 falls within Westchester County, New York.

How educated is the population of ZIP code 10504?

80% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 10504 mostly owner-occupied?

92% of occupied units in ZIP code 10504 are owner-occupied, well above the national average.

What is the median household income in ZIP code 10504?

The median household income in ZIP code 10504 is $243,523, above the national median of ~$75,000.

What is the typical home value in ZIP code 10504?

The median home value in ZIP code 10504 is $1,137,300.

What timezone is ZIP code 10504 in?

ZIP code 10504 observes the EST timezone.

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