Jefferson NJ Patch

Jefferson Township is the northernmost township in Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 20,538, a decrease of 776 from the 2010 census count of 21,314, which in turn reflected an increase of 1,597 from the 19,717 counted in the 2000 census.
  • Elevation: 1,142 ft (348 m)
  • Country: United States
  • State: New Jersey
  • County: Morris
  • Incorporated: February 11, 1804
  • Named for: Thomas Jefferson
  • ZIP Code: 07435 – Newfoundland · 07438 – Oak Ridge · 07849 – Lake Hopatcong · 07885 – Wharton

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Data from: en.wikipedia.org