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. Much of the housing stock in Sunbury was built prior to World War II, making it one of the older and more historic cities in the country.

A relatively large number of people in Sunbury telecommute to their jobs. Overall, about 8.53% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. 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.

In Sunbury, just 11.60% 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 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.