Derry is a very small borough located in the state of Pennsylvania. With a population of 2,583 people and two associated neighborhoods, Derry is the 549th largest community in Pennsylvania. Derry has a large stock of pre-World War II architecture, making it one of the older and more historic boroughs in the country.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 10.82% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Being a small borough, Derry does not have a public transit system used by locals to get to and from work.

The education level of Derry citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 19.76% of adults 25 and older in Derry have a college degree.

The per capita income in Derry in 2022 was $30,312, which is lower middle income relative to Pennsylvania and the nation. This equates to an annual income of $121,248 for a family of four. However, Derry contains both very wealthy and poor people as well.

The people who call Derry home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Derry residents report their race to be White, followed by Black or African-American. Important ancestries of people in Derry include German, Irish, Italian, English, and Welsh.

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