 79.6% spoke English, 4.3% Spanish, 2.7% Portuguese, 1.6% Italian, 1.6% Chinese including Mandarin and other Chinese dialects and 1.5% French as their first language.Middlesex County has the largest Irish-American population of any U.S. county with a plurality of Irish ancestry.The ranking of unincorporated communities that are included on the list are reflective if the census designated locations and villages were included as cities or towns.