ZIP code 10503
Where is ZIP code 10503?
Ardsley On Hudson, New York
Westchester County · PO Box only ZIP code
ZIP code 10503 belongs to Ardsley On Hudson, New York in Westchester County. 10503 is a PO Box only ZIP code: it is used for post office boxes at the Ardsley On Hudson post office, not for street addresses. It is in the Eastern Time zone and uses area code 914. About 132 people live in the 10503 area, where the median household income is $243,036. The closest ZIP codes are 10522 (Dobbs Ferry, 1 mi south), 10533 (Irvington, 1.1 mi northeast) and 10502 (Ardsley, 1.9 mi southeast).
| ZIP code | 10503 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Ardsley On Hudson |
| Also accepted | Ardsley Hdsn |
| State | New York (NY) |
| County | Westchester County |
| Time zone | Eastern Time · now |
| Area code | 914 |
| Coordinates | 41.0259, -73.8718 map |
| 3-digit prefix | 105 |
Population and income in 10503
| Population | 132 · lower than 94% of New York ZIP codes |
|---|---|
| People per square mile | 8,800 · higher than 88% of New York ZIP codes |
| Median age | 73.1 years · higher than 99% of New York ZIP codes |
| Men / women | 55% / 45% |
| Median household income | $243,036 · higher than 99% of New York ZIP codes |
| Income per person | $150,492 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 95% of adults 25+ |
| Median home value | $868,600 · higher than 92% of New York ZIP codes |
| Housing units | 162 |
| Households | 75 (1.76 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 0.02 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 10503. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 10503
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 10522 | Dobbs Ferry, NY | 1 mi S | Standard |
| 10533 | Irvington, NY | 1.1 mi NE | Standard |
| 10502 | Ardsley, NY | 1.9 mi SE | Standard |
| 10968 | Piermont, NY | 2.6 mi W | Standard |
| 10976 | Sparkill, NY | 2.7 mi W | Standard |
| 10706 | Hastings On Hudson, NY | 2.7 mi S | Standard |
| 10964 | Palisades, NY | 3 mi W | Standard |
| 10607 | White Plains, NY | 3.3 mi E | Standard |
| 10530 | Hartsdale, NY | 3.4 mi E | Standard |
| 07647 | Northvale, NJ | 3.7 mi W | Standard |
| 10523 | Elmsford, NY | 3.7 mi NE | Standard |
| 10983 | Tappan, NY | 4 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 10503 or measure the distance to another ZIP code.
How to address mail to 10503
PO BOX 123
ARDSLEY ON HUDSON NY 10503
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts ARDSLEY HDSN as the city name for 10503. Adding the 4-digit ZIP+4 code (10503-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 10503?
- 10503 is a Ardsley On Hudson, New York ZIP code. Ardsley Hdsn is also accepted as the city name.
- What county is 10503 in?
- ZIP code 10503 is in Westchester County, New York.
- What time zone is ZIP code 10503 in?
- 10503 is in the Eastern Time zone (America/New_York).
- What area code is 10503?
- Phone numbers in ZIP code 10503 use area code 914.
- What is the population of ZIP code 10503?
- About 132 people live in ZIP code 10503, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 10503?
- The median household income in 10503 is $243,036 a year, higher than 99% of New York ZIP codes.
- Can I use 10503 for a street address?
- No. 10503 is only for PO Boxes. Street addresses in Ardsley On Hudson use another ZIP code.
- What ZIP codes are near 10503?
- The nearest ZIP codes to 10503 are 10522 (Dobbs Ferry, 1 miles), 10533 (Irvington, 1.1 miles), 10502 (Ardsley, 1.9 miles) and 10968 (Piermont, 2.6 miles).