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 zero Buchanan foreclosures of eight thousand six hundred ninety-seven Buchanan, Iowa housing units housing units, of which seven thousand nine hundred thirty-three are occupied, six thousand two hundred three are owner occupied, one thousand seven hundred thirty are rented, seven hundred sixty-four are vacant, and two thousand five hundred ninety-eight have mortgages. has seven thousand nine hundred thirty-three households, and twenty-one thousand ninety-three citizens.