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