Milford, IL has a population of 1,246 and is the 13,802nd largest city in the United States. The population density is 1,154 per sq mi which is 419% higher than the Illinois average and 1174% higher than the national average. The median age in Milford is 44 which is approximately 17% higher than the Illinois average of 37. In Milford, 55% of the population over 15 years of age are married, 93% speak English and 7% speak Spanish. 85% of Milford residents were born in Illinois, 12% were born out of state, 0% were born outside of the United States and 4% were foreign born.