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