A portion of the southern border of the township sits along the border-arc between Pennsylvania and Delaware known as the 12-mile circle.

While there are no boroughs or other major population centers in the township, the unincorporated area known as Concordville has historical houses and a Quaker meetinghouse dating from the early colonial period.

[7] The oldest Roman Catholic parish in Pennsylvania began as a mission at the home of the Willcox family in 1730.

The mill and processing complex passed through various hands and, in the 1950s, it was purchased by a direct descendant of Nicholas Newlin, which along with 200 acres (81 ha) of surrounding countryside became the Newlin Mill Historic Park.

The name "Concord" was believed to have been given by the earliest European settlers of the township and reflects the harmonious feelings among them at the time.

Title to all real estate in the township can be traced back to a grant from William Penn.

The Brandywine Summit Camp Meeting, Concord Friends Meetinghouse, Concordville Historic District, Handwrought (also known as the Thomas Marshall House), High Hill Farm, Ivy Mills Historic District, Newlin Mill Complex, Nicholas Newlin House and Thompson Cottage are listed on the National Register of Historic Places.

US 1 and US 322 head eastward from their junction with US 202 along Baltimore Pike, with US 1 continuing northeastward across the northern portion of the township and US 322 breaking off to the southeast along Conchester Highway through the central and eastern portions of the township.

Pennsylvania Route 491 follows Naamans Creek Road along an east-west alignment across the southern portion of the township, terminating at US 202.

[12] Garnet Valley School District serves Concord Township.