Glenview, IL has a population of 46,559 and is the 888th largest city in the United States. The population density is 3,322 per sq mi which is 1394% higher than the Illinois average and 3566% higher than the national average. The median age in Glenview is 45 which is approximately 21% higher than the Illinois average of 37. In Glenview, 69% of the population over 15 years of age are married, 70% speak English and 6% speak Spanish. 61% of Glenview residents were born in Illinois, 16% were born out of state, 1% were born outside of the United States and 22% were foreign born.