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