Between 2000 and 2010, the village grew by 213.1%, from 5,842 to 18,289. The population growth stalled heavily in the 2010s, and Round Lake's population in 2020 was 18,721.
between 2000 and 2010 the village grew by 2131% from 5842 to 18289 the population growth stalled heavily in the 2010s and round lake's population in 2020 was 18721