Ladd, IL has a population of 1,178 and is the 14,146th largest city in the United States. The population density is 994 per sq mi which is 347% higher than the Illinois average and 998% higher than the national average. The median age in Ladd is 42 which is approximately 12% higher than the Illinois average of 37. In Ladd, 61% of the population over 15 years of age are married, 95% speak English and 4% speak Spanish. 88% of Ladd residents were born in Illinois, 9% were born out of state, 0% were born outside of the United States and 2% were foreign born.