US ZIP Code
10504

Armonk, NY

Westchester County  ·  New York

● Active
👥 7,853 Population ↓ 4% since 2019
💰 $247,433 Median HH Income
▲ 224% above avg ↑ 17% since 2019
🎂 42.9 Median Age ↓ 5% since 2019
🏠 $1,150,700 Median Home Value
▲ 313% above avg ↑ 17% since 2019
🎓 86.5% College Grads
▲ 123% above avg
📊 2.8% Unemployment
▼ 44% below avg ↓ 21% since 2019
ZIP Code Details
ZIP Code10504
CityArmonk
StateNew York (NY)
CountyWestchester County
Area Code914
Elevation373 ft
Latitude41.128468
Longitude-73.707521
TimezoneNew York (DST)
FIPS36119
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.7% (4,142) Female 47.3% (3,711) ♀

Race & Ethnicity

White: 75.5%Hispanic: 9.2%Black: 1.9%Asian: 7.6%Other: 3.4%Race
White75.5%
Hispanic9.2%
Black1.9%
Asian7.6%
Other3.4%

Age Breakdown

Under 5
7%
5–17
20%
18–24
5%
25–44
20%
45–64
30%
65+
8%

Key Indicators

Median Age42.9 yrs ↓ 5% since 2019
Avg Household Size3.06
Below Poverty4.2% ▼ 58% below avg
College Grads86.5% ▲ 123% above avg
Unemployment2.8% ▼ 44% below avg
No HS Diploma57 (1.1%)
HS Graduate452 (8.8%)
Some College61 (1.2%)
Associates122 (2.4%)
Bachelors305 (5.9%)
Graduate Degree4,130 (80.6%)

Education

No HS: 1.1%HS Grad: 8.8%Some College: 1.2%Associates: 2.4%Bachelors: 5.9%Graduate: 80.6%Edu
No HS1.1%
HS Grad8.8%
Some College1.2%
Associates2.4%
Bachelors5.9%
Graduate80.6%
Housing & Income

Housing Tenure

Owner: 94.9%Renter: 5.1%Tenure
Owner94.9%
Renter5.1%

Home Value Distribution

$100k–150k
1%
$150k–200k
0%
$200k–300k
6%
$300k–500k
1%
Over $500k
92%

Financials

Median HH Income$247,433 ▲ 224% above avg ↑ 17% since 2019
Median Home Value$1,150,700 ▲ 313% above avg ↑ 17% since 2019
Home/Income Ratio4.7x (nat avg ~3.5x)
Median Rent$1,910/mo ↓ 33% since 2019
Total Units2,665
Vacant Units125
Avg HH Size3.06

Income Distribution

Under $25k
3%
$25k–50k
4%
$50k–75k
4%
$75k–100k
5%
$100k–150k
12%
$150k–200k
8%
Over $200k
65%
Employment & Commute

How People Get to Work

Drove Alone
56%
Public Transit
15%
Walked
1%
Work From Home
28%

Commute Time

Under 15 min
14%
15–30 min
32%
30–45 min
17%
Over 45 min
37%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
17%
1960s–1970s
10%
1980s–1990s
11%
2000+
60%

Summary

Total Units2,665
Vacant125
Owner Occupied94.9%
Renter Occupied5.1%
Avg HH Size3.06
Frequently Asked Questions
ZIP code 10504 is in Armonk, NY, in Westchester County.
ZIP code 10504 is located in New York (NY).
ZIP code 10504 is in Westchester County, NY.
ZIP 10504 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 10504 is 7,853 people (ACS 2023).
The median household income in ZIP code 10504 is $247,433 (ACS 2023).
The median home value in ZIP 10504 is $1,150,700 (ACS 2023).
About ZIP Code 10504

ZIP code 10504 is located in Armonk, New York, within Westchester County. With a population of 7,853, this is a lightly populated ZIP code with a middle-aged community — the median age is 42.9 years. Economically, 10504 is a affluent ZIP code: the median household income of $247,433 is more than double the national average.

Real estate in ZIP code 10504 represents among the most expensive housing markets in the country. The median home value of $1,150,700 is more than double the national average. Renters can expect to pay around $1,910 per month in median rent. Homeownership is strong here — 94.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 17% since 2019.

The population of 10504 is primarily White (75.49%). Residents are highly educated — 86.5% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 4.2%. Household income has grown by 17% since 2019.

The unemployment rate in 10504 stands at 2.8%, which is below the national average. A notably high share of workers — 27% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 54%.

Overall, ZIP code 10504 in Armonk, NY is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 7,853 residents, a median household income of $247,433, and a median home value of $1,150,700, it offers a clear picture of life in this part of New York.