Chicago Ridge, IL has a population of 14,368 and is the 2,930th largest city in the United States. The population density is 6,335 per sq mi which is 2750% higher than the Illinois average and 6893% higher than the national average. The median age in Chicago Ridge is 33 which is approximately 12% lower than the Illinois average of 37. In Chicago Ridge, 55% of the population over 15 years of age are married, 56% speak English and 7% speak Spanish. 68% of Chicago Ridge residents were born in Illinois, 6% were born out of state, 2% were born outside of the United States and 24% were foreign born.