Milford city, CT has a population of 52,005 and is the 777th largest city in the United States. The population density is 2,374 per sq mi which is 267% higher than the Connecticut average and 2520% higher than the national average. The median age in Milford city is 44 which is approximately 8% higher than the Connecticut average of 41. In Milford city, 58% of the population over 15 years of age are married, 88% speak English and 4% speak Spanish. 65% of Milford city residents were born in Connecticut, 24% were born out of state, 1% were born outside of the United States and 10% were foreign born.