South Amboy is a somewhat small coastal city (i.e. on the ocean, a bay, or inlet) located in the state of New Jersey. With a population of 9,329 people and three associated neighborhoods, South Amboy is the 208th largest community in New Jersey. Much of the housing stock in South Amboy was built prior to World War II, making it one of the older and more historic cities in the country.

Also of interest is that South Amboy has more people living here who work in computers and math than 95% of the places in the US.

A relatively large number of people in South Amboy telecommute to their jobs. Overall, about 9.75% 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.

South Amboy 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.

One downside of living in South Amboy, however, is that residents on average have to contend with a long commute, spending on average 31.70 minutes every day commuting to work. It is, however, a pedestrian-friendly city. Many of its neighborhoods are dense enough and have amenities close enough together that people find it feasible to get around on foot. In addition, local public transit is widely used. For those who would prefer to avoid driving entirely and leave their car at home, it may be an option to use the transit instead.

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

The overall education level of South Amboy citizens is substantially higher than the typical US community, as 30.37% of adults in South Amboy have at least a bachelor's degree, and the average American community has 21.84%.

The per capita income in South Amboy in 2022 was $46,481, which is lower middle income relative to New Jersey, and wealthy relative to the rest of the US. This equates to an annual income of $185,924 for a family of four. However, South Amboy contains both very wealthy and poor people as well.

South Amboy is an extremely ethnically-diverse city. The people who call South Amboy home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of South Amboy residents report their race to be White, followed by Black or African-American. South Amboy also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 24.27% of the city’s residents. Important ancestries of people in South Amboy include Irish, Italian, Polish, German, and English.

South Amboy also has a high percentage of its population that was born in another country: 18.72%.

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