Mason information on the site is deemed reliable, but not guaranteed. Our Mason stats, Mason census, and Mason information is aggregated from many different sources and may be dated. Currently, we have two Mason foreclosures of seven thousand thirty-three Mason, Illinois housing units housing units, of which six thousand three hundred eighty-nine are occupied, four thousand nine hundred five are owner occupied, one thousand four hundred eighty-four are rented, six hundred forty-four are vacant, and two thousand fifty-five have mortgages. has six thousand three hundred eighty-nine households, and sixteen thousand thirty-eight citizens.