Colonia is a medium-sized town located in the state of New Jersey. With a population of 18,609 people and five associated neighborhoods, Colonia is the 108th largest community in New Jersey.

Housing costs in Colonia 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.

Also of interest is that Colonia 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 Colonia telecommute to their jobs. Overall, about 11.30% 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.

Because of many things, Colonia is a very good place for families to consider. With an enviable combination of good schools, low crime, college-educated neighbors who tend to support education because of their own experiences, and a high rate of home ownership in predominantly single-family properties, Colonia really has some of the features that families look for when choosing a good community to raise children. Is Colonia perfect? Of course not, and if you like frenetic nightlife, it will be far from your cup of tea. But overall this is a solid community, with many things to recommend it as a family-friendly place to live.

One downside of living in Colonia is that it can take a long time to commute to work. In Colonia, the average commute to work is 32.74 minutes, which is quite a bit higher than the national average.

The citizens of Colonia are among the most well-educated in the nation: 44.27% of adults in Colonia have a bachelor's degree or even advanced degree, whereas the average US city has 21.84% holding at least a bachelor's degree.

The per capita income in Colonia in 2022 was $48,773, which is middle income relative to New Jersey, and wealthy relative to the rest of the US. This equates to an annual income of $195,092 for a family of four.

Colonia is an extremely ethnically-diverse town. The people who call Colonia home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Colonia residents report their race to be White, followed by Asian. Colonia also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 14.00% of the town’s residents. Important ancestries of people in Colonia include Italian, Irish, Polish, German, and Portuguese.

Foreign born people are also an important part of Colonia's cultural character, accounting for 25.86% of the town’s population.

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