Nelsonville (formerly Newell and Imlaystown Station) is an unincorporated community located within Upper Freehold Township in Monmouth County, in the U.S. state of New Jersey.

[2] The settlement is located on County Route 526 between Allentown and Imlaystown where it intersects the former Pemberton and Hightstown Railroad.

The area was originally known as Imlaystown Station as it was the closest spot to the eponymous town along the railroad.

Other industries in the area at the time included a wagon shop and a cider mill.

[5] Today, several agricultural and light industries surround the settlement in addition to some single-family homes.