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