East Brooklyn, IL has a population of 132 and is the 26,105th largest city in the United States. The population density is 2,431 per sq mi which is 994% higher than the Illinois average and 2584% higher than the national average. The median age in East Brooklyn is 56 which is approximately 51% higher than the Illinois average of 37. In East Brooklyn, 57% of the population over 15 years of age are married, 91% speak English and 8% speak Spanish. 79% of East Brooklyn residents were born in Illinois, 16% were born out of state, 0% were born outside of the United States and 5% were foreign born.