Round Lake Park is a somewhat small village located in the state of Illinois. With a population of 7,724 people and two associated neighborhoods, Round Lake Park is the 267th largest community in Illinois.

Also of interest is that Round Lake Park has more people living here who work in computers and math than 95% of the places in the US.

Telecommuters are a relatively large percentage of the workforce: 9.73% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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 Round Lake Park, however, the average commute to work is quite long. On average, people spend 31.71 minutes each day getting to work, which is significantly higher than the national average.

The citizens of Round Lake Park are slightly less educated than the national average of 21.84% for the average city or town: 16.33% of adults in Round Lake Park have a bachelor's degree or advanced degree

The per capita income in Round Lake Park in 2022 was $26,624, which is low income relative to Illinois, and lower middle income relative to the rest of the US. This equates to an annual income of $106,496 for a family of four. However, Round Lake Park contains both very wealthy and poor people as well.

Round Lake Park is an extremely ethnically-diverse village. The people who call Round Lake Park home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Round Lake Park residents report their race to be White, followed by Black or African-American. Round Lake Park also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 44.80% of the village’s residents. Important ancestries of people in Round Lake Park include German, Irish, Italian, Polish, and English.

Foreign born people are also an important part of Round Lake Park's cultural character, accounting for 22.89% of the village’s population.

The most common language spoken in Round Lake Park is English. Other important languages spoken here include Spanish and Italian.