More than 15,000 Mass. residents made more than $1 million. In 2014, that comes out to 2 million-dollar earners per every 1,000 Massachusetts residents. Here’s where they live. Weston had the highest proportion of million-dollar earners, nearly 43 per 1,000 residents, followed by Dover (34), Wellesley (25), Lincoln (19), and Manchester (16).