Grandview, IL has a population of 1,388 and is the 13,142nd largest city in the United States. The population density is 4,111 per sq mi which is 1749% higher than the Illinois average and 4438% higher than the national average. The median age in Grandview is 38 which is approximately 1% higher than the Illinois average of 37. In Grandview, 46% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 84% of Grandview residents were born in Illinois, 15% were born out of state, 0% were born outside of the United States and 1% were foreign born.