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