Milford, IA has a population of 2,991 and is the 8,833rd largest city in the United States. The population density is 1,409 per sq mi which is 2478% higher than the Iowa average and 1455% higher than the national average. The median age in Milford is 40 which is approximately 5% higher than the Iowa average of 38. In Milford, 68% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 78% of Milford residents were born in Iowa, 21% were born out of state, 0% were born outside of the United States and 1% were foreign born.