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 great place for families with children to consider. First of all, many other families with children live here, making Colonia a place where both parents and children are more likely to develop social ties with other families, as well as find family-oriented services and community. The town’s good public school district and large population of college-educated adults provide an environment conducive to academic values. With regard to real estate, Colonia has a high rate of owner-occupied single family homes, which tends to reflect stability in the local community. Finally, Colonia’s overall crime rate is lower than average for the country.

One downside of living in Colonia, however, is that residents on average have to contend with a long commute, spending on average 32.74 minutes every day commuting to work.

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.