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Plainfield, New Jersey Map and Directory


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Union County, New Jersey locator map According to the United States Census Bureau, Plainfield is a City that is located in Union County, New Jersey at 40.63 degrees North and 74.41 degrees West.  The city's time zone is America/New York, and the city's primary telephone area code is 908.  The land area of Plainfield is about 6.02 square miles, whereas the water area of the city is about 0.01 square miles.  Union County's land area is about 103 square miles, so the city occupies about 5.8 percent of the county's total land area.

The Census Bureau estimates that Plainfield had about 50,317 residents in 2019, which is approximately 8,358 people per square mile of land area. 

According to recent American Community Survey data, the median household income in Plainfield was about $56,339 per year. 

The New Jersey counties map at upper right shows Union County, highlighted in red.  Use the menu below to display interactive maps of Plainfield, either in a frame on this page or in full-screen mode. 

Use the menu below to display categorized Plainfield directories. 

Plainfield Products and Services Directory

Selected Plainfield, New Jersey Listings

These representative Plainfield listings provide some insight into the city's cultural environment and economic climate.

Abel Consulting
  • Business Consultants & Advisors
  • Engineers
  • Acoustical Engineers & Consultants
  • Audiovisual Consultants & Designers
American Coding & Marking Ink
  • Printing & Publishing
  • Office Supplies Retail
Barlow Elementary School
  • Elementary & Secondary Education
  • Elementary Schools
  • Public Schools
El Centro Hispanoamericano
  • Legal Services
  • Legal Consultants
Injectron Corporation
  • Plastic Molders
  • Plastic Molds Manufacturers
Koinonia Academy
  • Elementary & Secondary Education
  • Public Schools
Norwood Terrace Health Center
  • Clinics & Medical Centers
  • Charitable & Nonprofit Organizations
  • Rehabilitation Services
  • Rehabilitation Centers
  • Nursing & Convalescent Homes
Plainfield Public Library
  • Libraries
Plainfield Public School District
  • Public Schools
Queen City Academy Charter
  • Elementary & Secondary Education
  • Elementary Schools
  • Private Schools
  • Religious Education Schools

Nearby New Jersey Cities and Towns *

* Parenthesized numbers indicate economic activity levels.

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