Western Springs, IL has a population of 13,133 and is the 3,180th largest city in the United States. The population density is 4,709 per sq mi which is 2018% higher than the Illinois average and 5098% higher than the national average. The median age in Western Springs is 43 which is approximately 15% higher than the Illinois average of 37. In Western Springs, 76% of the population over 15 years of age are married, 94% speak English and 2% speak Spanish. 74% of Western Springs residents were born in Illinois, 22% were born out of state, 1% were born outside of the United States and 3% were foreign born.