Branchville is a tiny borough located in the state of New Jersey. With a population of 808 people and two associated neighborhoods, Branchville is the 485th largest community in New Jersey. Much of the housing stock in Branchville was built prior to World War II, making it one of the older and more historic boroughs in the country.

Housing costs in Branchville are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in New Jersey.

A relatively large number of people in Branchville telecommute to their jobs. Overall, about 16.09% 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.

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

The population of Branchville overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Branchville, 24.32% have at least a bachelor's degree.

The per capita income in Branchville in 2022 was $51,894, which is middle income relative to New Jersey, and wealthy relative to the rest of the US. This equates to an annual income of $207,576 for a family of four. However, Branchville contains both very wealthy and poor people as well.

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

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