| City: | Croton On Hudson, New York |
| City Alias: | Croton Hdsn, Crugers |
| County: | Westchester County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:34:27 PM |
| Population: | No Population Data |
| Area Code: | 914 |
| Classification: | PO Box |
| Coordinates: | 41.2358, -73.9298 |
| Quick Link: |
The facility also accepts mail for the communities of Croton Hdsn and Crugers, which share this postal service point. This arrangement is common in smaller postal facilities where street delivery is consolidated under a different ZIP code while PO Box service remains available for customers who prefer it or need a local mailing address. The setup allows businesses and residents to maintain a Croton on Hudson address through their PO Box even when their physical location falls under different carrier route assignments.
This ZIP code contains no street delivery routes. All mail service is provided through PO Boxes at the post office facility.
ZIP Code 10521 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 557Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 10521 is located in Westchester County, New York, within the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area (CBSA 35620) and New York's 17th Congressional District. This Metro area has a population of 18,897,109 people, about 0.00% of whom live in ZIP Code 10521, and is subdivided into the New York-Jersey City-White Plains, NY-NJ division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | New York-Newark-Jersey City, NY-NJSource: Census |
| CBSA Number: | 35620Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | New York-Jersey City-White Plains, NY-NJ (CBSA Div 35614)Source: Census |
| CBSA Population: | 18,897,109Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 17Source: USPS |
| Congressional Land Area: | 382.63 sq miSource: Census |
| PMSA: | New York, NY PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 10521 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.