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. South Amboy has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

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. Quite often, nautical areas such as these attract visitors and locals who come to enjoy the scenery and various waterfront activities.

One downside of living in South Amboy is that it can take a long time to commute to work. In South Amboy, the average commute to work is 31.70 minutes, which is quite a bit higher than the national average. On the other hand, local public transit is widely used in the city, so leaving the car at home and taking transit is often a viable alternative. In addition, it is also a pedestrian-friendly city. Many of South Amboy’s neighborhoods are dense enough and have amenities close enough together that people find it feasible to get around on foot.

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 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.

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.