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 twenty-six Jefferson foreclosures of fifty-four thousand seventy Jefferson, New York housing units housing units, of which forty thousand sixty-eight are occupied, twenty-three thousand nine hundred six are owner occupied, sixteen thousand one hundred sixty-two are rented, fourteen thousand two are vacant, and ten thousand one hundred eighty-eight have mortgages. has forty thousand sixty-eight households, and one hundred eleven thousand seven hundred thirty-eight citizens.