Sayreville is a medium-sized coastal borough (i.e. on the ocean, a bay, or inlet) located in the state of New Jersey. With a population of 45,496 people and 13 associated neighborhoods, Sayreville is the 35th largest community in New Jersey.

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

Telecommuters are a relatively large percentage of the workforce: 10.36% 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.

One of the nice things about Sayreville is that it is nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Because of this, visitors and locals will often go to these areas to take in the scenery or to enjoy waterfront activities.

One downside of living in Sayreville is that it can take a long time to commute to work. In Sayreville, the average commute to work is 31.88 minutes, which is quite a bit higher than the national average. On the other hand, local public transit is widely used in the borough, so leaving the car at home and taking transit is often a viable alternative.

Although the majority of commuting trips in the borough are by private automobile, Sayreville is somewhat unusual for a borough of its size for having a substantial number of people who use public transportation. For a lot of people, the bus helps to get to and from their jobs every morning, which benefits everyone in the Sayreville area by reducing both traffic and air pollution.

The population of Sayreville is very well educated relative to most cities and towns in the nation, where the average community has 21.84% of its adult population holding a 4-year degree or higher: 36.83% of adults in Sayreville have a bachelor's degree or even advanced degree.

The per capita income in Sayreville in 2022 was $44,908, which is lower middle income relative to New Jersey, and upper middle income relative to the rest of the US. This equates to an annual income of $179,632 for a family of four. However, Sayreville contains both very wealthy and poor people as well.

Sayreville is an extremely ethnically-diverse borough. The people who call Sayreville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Sayreville residents report their race to be White, followed by Asian. Sayreville also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 21.19% of the borough’s residents. Important ancestries of people in Sayreville include Italian, Irish, Polish, German, and English.

Foreign born people are also an important part of Sayreville's cultural character, accounting for 33.19% of the borough’s population.

The most common language spoken in Sayreville is English. Other important languages spoken here include Spanish and Langs. of India.