Morton Grove, IL has a population of 23,413 and is the 1,860th largest city in the United States. The population density is 4,601 per sq mi which is 1970% higher than the Illinois average and 4979% higher than the national average. The median age in Morton Grove is 46 which is approximately 23% higher than the Illinois average of 37. In Morton Grove, 67% of the population over 15 years of age are married, 46% speak English and 6% speak Spanish. 51% of Morton Grove residents were born in Illinois, 7% were born out of state, 1% were born outside of the United States and 40% were foreign born.