Courtdale is a borough in Luzerne County, Pennsylvania, United States. The population was 732 at the 2010 census.
Courtdale was incorporated as a borough in 1897. During the 19th and 20th centuries, coal mining and manufacturing were the major industries in the area.
Courtdale is located at 41°17′5″N 75°54′17″W (41.284730, -75.904612).
According to the United States Census Bureau, the borough has a total area of 1.0 square mile (2.6 km2), all of it land. It is part of the Wyoming Valley West School District.
As of the census of 2000, there were 791 people, 315 households, and 230 families residing in the borough. The population density was 771.5 people per square mile (296.5/km2). There were 328 housing units at an average density of 319.9 per square mile (123.0/km2). The racial makeup of the borough was 99.75% White and 0.25% Asian.
There were 315 households, out of which 27.0% had children under the age of 18 living with them, 58.7% were married couples living together, 9.2% had a female householder with no husband present, and 26.7% were non-families.