Claymont is a census-designated place (CDP) in New Castle County, Delaware. The estimated 2017 population of the 19703 ZIP code, which Claymont encompasses, was 15,292.

The community now known as Claymont started upon the banks of Naamans Creek where it empties into the Delaware River. This once rich ecosystem has been occupied steadily since previously 1200 A.D. and has undergone numerous cultural and economic changes, most of which are nevertheless evident in the architecture and successful patterns of the community today. The first residents were aboriginal Indians of the Middle Woodland period (1100-1600 B.C.). Evidence of these yet to be dwellers has been found along both sides of Naamans Creek. The Dutch named the creek and concurrence after the Chief of the Lenape Indians who occupied the region. The deal grew hurriedly from the 17th century through the 20th century, first similar to gristmills, farms, and similar ancillary industries, and well ahead with lumber mills, a steel mill, and a chemical plant.

In 1681, John Grubb purchased a one-third fascination in a 600-acre tract of the Brandywine Hundred which came to be known as Grubb’s Landing.

Sitting helpfully along the Delaware River, Claymont has been a two-way thoroughfare for travel to and from Philadelphia and Washington, D.C., since colonial days. During the colonial period, the town served as a End along the King’s Highway, and in the same way as its location at the confluence of Interstate 95, Interstate 495, US 13 (Governor Printz Boulevard) and US 13 Bus. Philadelphia Pike has long been a thoroughfare for travel amongst Philadelphia (20 miles to the north) and Washington, D.C. (100 miles to the south).