Keansburg is a somewhat small coastal borough (i.e. on the ocean, a bay, or inlet) located in the state of New Jersey. With a population of 9,706 people and two associated neighborhoods, Keansburg is the 204th largest community in New Jersey.

Keansburg is also nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Such areas are often places that visitors and locals go for waterfront activities or taking in the scenery.

Even though Keansburg is a smaller borough, it has many people who hop on public transportation – mostly the bus for their daily commute to work. Typically, these people are commuting to good jobs in the surrounding cities.

The education level of Keansburg citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 17.94% of adults 25 and older in Keansburg have a college degree.

The per capita income in Keansburg in 2022 was $34,983, which is low income relative to New Jersey, and middle income relative to the rest of the US. This equates to an annual income of $139,932 for a family of four. However, Keansburg contains both very wealthy and poor people as well.

Keansburg is a very ethnically-diverse borough. The people who call Keansburg home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Keansburg residents report their race to be White, followed by Black or African-American. Keansburg also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 16.33% of the borough’s residents. Important ancestries of people in Keansburg include Irish, Italian, German, English, and Polish.

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