Ellwood City is a borough primarily in Lawrence County, Pennsylvania, United States.

In the past, Ellwood City sustained many heavy industries such as steel tube mills, steel car works, building stone and limestone quarries, foundries and machine shops, and coal mining.

In 2022, Jan Williams would become the first woman of Asian descent to be sworn into council.

Of all households, 32.3% were made up of individuals, and 18.2% had someone living alone who was 65 years of age or older.

Estimated per capita income in 2007 was $18,674 in Ellwood City, versus $26,228 for the entire state.

[citation needed] The Ellwood City Area School District serves the borough.

The PBS Kids TV series Arthur takes place in the fictional town of Elwood City, based on and similar to the real Ellwood City.