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