New Britain is a city in Hartford County, Connecticut, United States. It is located approximately 9 miles southwest of Hartford. According to 2010 Census, the population of the city is 73,206.Among the southernmost of the communities encompassed within the Hartford-Springfield Knowledge Corridor metropolitan region, New Britain is home to Central Connecticut State University and Charter Oak State College.The city's official nickname is the "Hardware City" because of its history as a manufacturing center and as the headquarters of Stanley Black & Decker. Because of its large Polish population, the city is often playfully referred to as "New Britski.