Candlewick Lake, IL has a population of 4,646 and is the 6,789th largest city in the United States. The population density is 2,513 per sq mi which is 1031% higher than the Illinois average and 2674% higher than the national average. The median age in Candlewick Lake is 34 which is approximately 9% lower than the Illinois average of 37. In Candlewick Lake, 57% of the population over 15 years of age are married, 89% speak English and 9% speak Spanish. 70% of Candlewick Lake residents were born in Illinois, 22% were born out of state, 2% were born outside of the United States and 7% were foreign born.