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