Mount Arlington is a somewhat small borough located in the state of New Jersey. With a population of 5,931 people and two associated neighborhoods, Mount Arlington is the 285th largest community in New Jersey.

Housing costs in Mount Arlington 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.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 15.58% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. 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 downside of living in Mount Arlington is that it can take a long time to commute to work. In Mount Arlington, the average commute to work is 36.97 minutes, which is quite a bit higher than the national average.

Mount Arlington is one of the most well-educated cities in the nation. 48.84% of adults in Mount Arlington have at least a bachelor's degree. Compare that to the average community in America, which has just 21.84% with a bachelor's degree or higher.

The per capita income in Mount Arlington in 2022 was $50,876, which is middle income relative to New Jersey, and wealthy relative to the rest of the US. This equates to an annual income of $203,504 for a family of four. However, Mount Arlington contains both very wealthy and poor people as well.

Mount Arlington is a very ethnically-diverse borough. The people who call Mount Arlington home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Mount Arlington residents report their race to be White, followed by Black or African-American. Mount Arlington also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 18.76% of the borough’s residents. Important ancestries of people in Mount Arlington include Italian, Irish, German, English, and Polish.

The most common language spoken in Mount Arlington is English. Other important languages spoken here include Spanish and Arabic.