Princeton, New Jersey Map and Directory
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According to the United States Census Bureau, Princeton is classified as an "Other" type of place that is located in Mercer County, New Jersey at 40.35 degrees North and 74.66 degrees West.
The place's time zone is America/New York, and the place's primary telephone area code is 609.
The land area of Princeton is about 17.93 square miles, whereas the water area of the place is about 0.43 square miles.
Mercer County's land area is about 225 square miles, so the place occupies about 8.0 percent of the county's total land area.
The Census Bureau estimates that Princeton had about 31,187 residents in 2019, which is approximately 1,739 people per square mile of land area.
According to recent American Community Survey data, the median household income in Princeton was about $137,672 per year.
The New Jersey counties map at upper right shows Mercer County, highlighted in red. Use the menu below to display interactive maps of Princeton, either in a frame on this page or in full-screen mode.
Use the menu below to display categorized Princeton directories.
Selected Princeton, New Jersey Listings
These randomly selected Princeton listings provide some insight into the place's cultural environment and economic climate.- Business Consultants & Advisors
- Management Consultants
- Business Management Services
- Marketing Consultants
- Engineers
- Civil Engineers
- Municipal Engineers
- Legal Services
- Court Reporting
- Optometrists
- Web Site Developers
- Computers & Equipment Wholesale & Manufacturers
- Property Management
- Property Maintenance
- Elementary & Secondary Education
- Colleges & Universities
- Academic Specialty Schools
- Real Estate Commercial & Industrial
- Phone Communications Services
- Answering Services
- Office Buildings & Parks
- General Practice
- Gastroenterology Physicians & Surgeons
- Nutrition
- Fitness Consultants
- Nutrition Consultants
- Building & Home Construction
- Architects
- Architectural Services
- Grocery Stores & Supermarkets
- Fruits & Vegetables Retail
- Fruits & Vegetables Wholesale
- Farms & Ranches
Nearby New Jersey Cities and Towns *
- Hillsborough (5) - Hillsborough, New Jersey demographics and maps.
- Pennington (2) - Pennington, New Jersey information and maps.
- Trenton (12) - Trenton, New Jersey demographics and directory.
* Parenthesized numbers indicate economic activity levels.
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