Clarks Summit is a borough in Lackawanna County, northwest of Scranton in Northeastern Pennsylvania.

[3] It is also the northern control city of the Pennsylvania Turnpike Northeast Extension, I-476, though the official terminus is in adjacent South Abington Township.

Clark had fought in the Battle of Bunker Hill during the Revolutionary War, and as payment for his military service, he was issued 800 acres (3.2 km2) of Pennsylvania land by Congress.

Clarks Summit is a location in the "Threat Level Midnight" episode of The Office.

[6] According to the U.S. Census Bureau, the borough has a total area of 1.6 square miles (4.1 km2), all land.

At the 2010 census there were 5,116 people, 2,216 households, and 1,407 families living in the borough.

32.3% of households were made up of individuals, and 18.6% were one person aged 65 or older.

At the 2000 census there were 5,126 people, 2,190 households, and 1,438 families living in the borough.

The racial makeup of the borough was 97.74% White, 0.39% African American, 0.10% Native American, 1.13% Asian, 0.02% Pacific Islander, 0.23% from other races, and 0.39% from two or more races.