Sunbury is a somewhat small city located in the state of Pennsylvania. With a population of 9,549 people and four associated neighborhoods, Sunbury is the 116th largest community in Pennsylvania. Sunbury has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

Telecommuters are a relatively large percentage of the workforce: 8.53% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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.

The overall crime rate in Sunbury is one of the lowest in the US. This makes it one of the safer places to live in the country in terms of crime.

The rate of college-level education in Sunbury is quite a bit lower than the national average among all cities of 21.84%: just 11.60% of people here over 25 have a bachelor's degree or an advanced degree.

The per capita income in Sunbury in 2022 was $30,390, which is lower middle income relative to Pennsylvania and the nation. This equates to an annual income of $121,560 for a family of four. However, Sunbury contains both very wealthy and poor people as well.

Sunbury is a somewhat ethnically-diverse city. The people who call Sunbury home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Sunbury residents report their race to be White, followed by Black or African-American. Sunbury also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 11.03% of the city’s residents. Important ancestries of people in Sunbury include German, Irish, English, Italian, and Pennsylvania German.

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