Mount Arlington is a somewhat small borough located in the state of New Jersey. With a population of 5,979 people and two associated neighborhoods, Mount Arlington is the 285th largest community in New Jersey.

A relatively large number of people in Mount Arlington telecommute to their jobs. Overall, about 21.14% 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.

Overall, Mount Arlington’s crime rate is one of the lowest in the nation, which makes a great place to live if safety is an important concern.

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 35.36 minutes, which is quite a bit higher than the national average.

Do you like to read, write and learn? If you move to Mount Arlington, you'll likely find that many of your neighbors like to as well. Mount Arlington is one of the more educated communities in America, with a full 50.88% of its adults having a college degree or even advanced degree, compared to a national average across all communities of 21.84%.

The per capita income in Mount Arlington in 2022 was $54,256, which is middle income relative to New Jersey, and wealthy relative to the rest of the US. This equates to an annual income of $217,024 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 14.44% of the borough’s residents. Important ancestries of people in Mount Arlington include Italian, Irish, German, English, and Polish.

Foreign born people are also an important part of Mount Arlington's cultural character, accounting for 15.10% of the borough’s population.

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