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Trenton, New Jersey Map and Directory


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Mercer County, New Jersey locator map According to the United States Census Bureau, Trenton is a City that is located in Mercer County, New Jersey at 40.22 degrees North and 74.74 degrees West.  The city's time zone is America/New York, and the city's primary telephone area code is 609.  The land area of Trenton is about 7.65 square miles, whereas the water area of the city is about 0.51 square miles.  Mercer County's land area is about 225 square miles, so the city occupies about 3.4 percent of the county's total land area.

The Census Bureau estimates that Trenton had about 83,203 residents in 2019, which is approximately 10,876 people per square mile of land area. 

According to recent American Community Survey data, the median household income in Trenton was about $35,402 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 Trenton, either in a frame on this page or in full-screen mode. 

Use the menu below to display categorized Trenton directories. 

Trenton Products and Services Directory

Selected Trenton, New Jersey Listings

These randomly selected Trenton listings provide some insight into the city's cultural environment and economic climate.

All Service Mechanical Plating
  • Metal Finishing
  • Metal Polishing, Buffing & Plating
Artann Laboratories
  • Laboratories
  • Research & Development Laboratories
Grounds For Sculpture Hamillton Museum
  • Cultural Attractions, Events & Facilities
  • Tourist Information & Attractions
  • Museums
Harrah & Associates Inc
  • Financial Guaranty & Life Insurance
Iyer Associates - P K Vasudevan CPA
  • Public Accountants
  • Certified Public Accountants
Photo Therm
  • Medical Equipment & Supplies Retail
Power Magnetics Inc
  • Electric & Electronic Equipment & Supplies
  • Electric Equipment & Supplies Dealers
  • Electronic Equipment & Supplies Wholesale & Manufacturers
  • Electronic Equipment & Supplies Retail
  • Electronic Components Retail
Trenton-Robbinsville Airport
  • Air Transportation
  • Aircraft Charter, Rental & Leasing
  • Airports
Water's Edge Convalescent Center
  • Rehabilitation Services
  • Rehabilitation Centers
  • Nursing & Convalescent Homes

Nearby New Jersey Cities and Towns *

* Parenthesized numbers indicate economic activity levels.

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