Lake of the Woods, IL has a population of 2,687 and is the 9,391st largest city in the United States. The population density is 1,542 per sq mi which is 594% higher than the Illinois average and 1602% higher than the national average. The median age in Lake of the Woods is 41 which is approximately 10% higher than the Illinois average of 37. In Lake of the Woods, 59% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 74% of Lake of the Woods residents were born in Illinois, 25% were born out of state, 0% were born outside of the United States and 1% were foreign born.