Shenandoah is a very small borough located in the state of Pennsylvania. With a population of 4,238 people and two associated neighborhoods, Shenandoah is the 364th largest community in Pennsylvania. Shenandoah has an unusually large stock of pre-World War II architecture, making it one of the older and more historic boroughs.

In Shenandoah, just 10.45% of people have at least a bachelor's degree, which is quite a bit lower than the national average for cities and towns of 21.84%.

The per capita income in Shenandoah in 2022 was $25,799, which is low income relative to Pennsylvania, and lower middle income relative to the rest of the US. This equates to an annual income of $103,196 for a family of four. However, Shenandoah contains both very wealthy and poor people as well. Shenandoah also has one of the higher rates of people living in poverty in the nation, with 30.63% of its population below the federal poverty line.

Shenandoah is an extremely ethnically-diverse borough. The people who call Shenandoah home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Shenandoah residents report their race to be White, followed by Black or African-American. Shenandoah also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 36.43% of the borough’s residents. Important ancestries of people in Shenandoah include Irish, Polish, Italian, German, and Lithuanian.

The most common language spoken in Shenandoah is English. Other important languages spoken here include Spanish and Polish.