| City: | Princeton, New Jersey |
| Names to Avoid: | Educational Testing Service |
| County: | Mercer County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:26:17 PM |
| Population: | No Population Data |
| Area Codes: | 609 / 640 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 40.3486, -74.6597 |
| Quick Link: |
Educational Testing Service (ETS), founded in 1947, operates under dedicated ZIP code 08541 from its headquarters in Princeton, Mercer County. ETS is the world's largest private nonprofit educational testing and assessment organization, developing and administering major tests including the SAT, GRE, TOEFL, and Praxis examinations. The 360-acre campus serves as the company's global headquarters, employing approximately 5,500 people.
Census Business Patterns data indicates 5 establishments and 5,554 employees at this location. Postal records show 9 delivery codes for ETS operations. This designation has been active since before October 2004. Princeton is the valid mailing city.
| Establishments: | 5 |
| Employment: | 5,554 |
| Residential: | 0 |
| Business: | 6 |
ZIP Code 08541 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 4,952 people with an annual payroll of $318,301,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 6,106Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 5Source: CBP |
| 1st Quarter Payroll: | $76,977,000Source: CBP |
| Annual Payroll: | $318,301,000Source: CBP |
| # of Employees: | 4,952Source: CBP |
ZIP Code 08541 is located in Mercer County, New Jersey, within the Trenton-Princeton, NJ Metropolitan Statistical Area (CBSA 45940) and New Jersey's 12nd Congressional District. This Metro area has a population of 366,513 people, about 0.00% of whom live in ZIP Code 08541. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Trenton-Princeton, NJSource: Census |
| CBSA Number: | 45940Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 366,513Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 12Source: USPS |
| Congressional Land Area: | 412.23 sq miSource: Census |
| PMSA: | Trenton, NJ PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3460900Source: Census |
| Place Name: | Princeton; New JerseySource: Census |
We could not locate which school district 08541 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.