Stratford, CT has a population of 52,300 and is the 770th largest city in the United States. The population density is 2,991 per sq mi which is 362% higher than the Connecticut average and 3201% higher than the national average. The median age in Stratford is 44 which is approximately 8% higher than the Connecticut average of 41. In Stratford, 57% of the population over 15 years of age are married, 81% speak English and 10% speak Spanish. 61% of Stratford residents were born in Connecticut, 23% were born out of state, 2% were born outside of the United States and 14% were foreign born.