Petersburg is a very small city located in the state of Indiana. With a population of 2,278 people and two associated neighborhoods, Petersburg is the 220th largest community in Indiana.

Telecommuters are a relatively large percentage of the workforce: 8.33% 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 city is relatively quiet, having a combination of lower population density and few of those groups of people who have a tendency to be noisy. For example, Petersburg has relatively fewer families with younger children, and/or college students. Combined, this makes Petersburg a pretty quiet place to live overall. If you like quiet, you will probably enjoy it here.

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

The citizens of Petersburg are slightly less educated than the national average of 21.84% for the average city or town: 13.68% of adults in Petersburg have a bachelor's degree or advanced degree

The per capita income in Petersburg in 2022 was $29,466, which is middle income relative to Indiana, and lower middle income relative to the rest of the US. This equates to an annual income of $117,864 for a family of four. However, Petersburg contains both very wealthy and poor people as well.

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

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