Ridgefield, CT has a population of 7,552 and is the 4,904th largest city in the United States. The population density is 1,181 per sq mi which is 82% higher than the Connecticut average and 1203% higher than the national average. The median age in Ridgefield is 45 which is approximately 11% higher than the Connecticut average of 41. In Ridgefield, 71% of the population over 15 years of age are married, 87% speak English and 7% speak Spanish. 34% of Ridgefield residents were born in Connecticut, 51% were born out of state, 2% were born outside of the United States and 13% were foreign born.