 The state's largest Portuguese-American community, in Naugatuck, is also located in the 3rd district, as well as one of the oldest African-American communities in the Newhallville area of New Haven.The New Haven area retains an overwhelmingly Democratic heritage for the most part, although Republicans have made significant successful inroads in the communities of the suburbs.Waterbury, Connecticut's 5th largest city, is a Democratic but very conservative city, where many of the Italian, Irish, and Lebanese voters have become increasingly comfortable voting for Republicans.