Hazardville, CT has a population of 4,986 and is the 6,499th largest city in the United States. The population density is 1,515 per sq mi which is 106% higher than the Connecticut average and 1572% higher than the national average. The median age in Hazardville is 41 which is approximately equal to the Connecticut average of 41. In Hazardville, 55% of the population over 15 years of age are married, 90% speak English and 4% speak Spanish. 56% of Hazardville residents were born in Connecticut, 38% were born out of state, 2% were born outside of the United States and 4% were foreign born.