Sycamore is a medium-sized city located in the state of Illinois. With a population of 18,652 people and five associated neighborhoods, Sycamore is the 136th largest community in Illinois. There's nothing like the smell of a brand new house, and in Sycamore, you'll find that a large proportion of houses were recently built. New growth in residential real estate is an indication that people are choosing to move to Sycamore, and putting down their money on brand new construction. Sycamore’s real estate is, on average, some of the newest in the nation. Sycamore does seem to be experiencing an influx of affluent people, because the median household income is $80,785.00.

Sycamore real estate is some of the most expensive in Illinois, although Sycamore house values don't compare to the most expensive real estate in the U.S.

A relatively large number of people in Sycamore telecommute to their jobs. Overall, about 9.33% 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.

The education level of Sycamore ranks among the highest in the nation. Of the 25-and-older adult population in Sycamore, 44.75% have at least a bachelor's degree. The typical US community has just 21.84% of its adults holding a bachelor's degree or graduate degree.

The per capita income in Sycamore in 2022 was $39,364, which is upper middle income relative to Illinois and the nation. This equates to an annual income of $157,456 for a family of four. However, Sycamore contains both very wealthy and poor people as well.

Sycamore is a somewhat ethnically-diverse city. The people who call Sycamore home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Sycamore residents report their race to be White, followed by Black or African-American. Important ancestries of people in Sycamore include German, Irish, English, Italian, and Swedish.

The most common language spoken in Sycamore is English. Other important languages spoken here include Spanish and German/Yiddish.