Northfield is a somewhat small village located in the state of Illinois. With a population of 5,543 people and two associated neighborhoods, Northfield is the 314th largest community in Illinois.

Northfield home prices are not only among the most expensive in Illinois, but Northfield real estate also consistently ranks among the most expensive in America.

Also of interest is that Northfield 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 Northfield telecommute to their jobs. Overall, about 29.70% 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.

In addition, Northfield is home to many people who could be described as "urban sophisticates". Urban sophisticates are educated, wealthy, executives and professionals, who have urbane tastes in books, food, and travel, whether they actually live in a big city, or choose to reside in a small town. In big or medium-sized cities, urban sophisticates tend to frequent art institutions such as opera, symphonies, ballet, live theatre, and museums.

Because of many things, Northfield 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, Northfield really has some of the features that families look for when choosing a good community to raise children. Is Northfield 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.

Despite being a small village, Northfield has a lot of people using the train to get to and from work every day. Most of these people on the train are using it to get to good jobs in other cities.

If knowledge is power, Northfield is a pretty powerful place. 81.73% of the adults in Northfield have earned a 4-year college degree, masters degree, MD, law degree, or even PhD. Compare that to the national average of 21.84% for all cities and towns.

The per capita income in Northfield in 2022 was $116,824, which is wealthy relative to Illinois and the nation. This equates to an annual income of $467,296 for a family of four.

Northfield is a somewhat ethnically-diverse village. The people who call Northfield home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Northfield residents report their race to be White, followed by Asian. Important ancestries of people in Northfield include German, Irish, English, Polish, and Italian.

The most common language spoken in Northfield is English. Other important languages spoken here include Polish and Korean.