Round Lake Beach is a medium-sized village located in the state of Illinois. With a population of 26,879 people and six associated neighborhoods, Round Lake Beach is the 78th largest community in Illinois.

In Round Lake Beach, however, the average commute to work is quite long. On average, people spend 31.84 minutes each day getting to work, which is significantly higher than the national average.

The percentage of adults in Round Lake Beach with college degrees is slightly lower than the national average of 21.84% for all communities. 16.56% of adults in Round Lake Beach have a bachelor's degree or advanced degree.

The per capita income in Round Lake Beach in 2022 was $30,790, which is lower middle income relative to Illinois, and middle income relative to the rest of the US. This equates to an annual income of $123,160 for a family of four. However, Round Lake Beach contains both very wealthy and poor people as well.

Round Lake Beach is an extremely ethnically-diverse village. The people who call Round Lake Beach home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in Round Lake Beach, accounting for 52.57% of the village’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Round Lake Beach residents report their race to be White, followed by Black or African-American. Important ancestries of people in Round Lake Beach include German, Irish, Polish, English, and Italian.

Foreign born people are also an important part of Round Lake Beach's cultural character, accounting for 23.25% of the village’s population.

The most common language spoken in Round Lake Beach is English. Other important languages spoken here include Spanish and Langs. of India.