Complex sentence: Watertown, MA is the center of Boston Armenians, where according to estimates about 7,000 to 8,000 people of Armenian origin reside, though the 2000 Census put the number only at 2,708.
Split into simpler sentences: Watertown, MA is the center of Boston Armenians. Estimates say that about 7,000-8,000 people of Armenian origin reside in the city, though the 2000 Census put the number only at 2,708.