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