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 twenty-two thousand one hundred four Jefferson, Pennsylvania housing units housing units, of which eighteen thousand three hundred seventy-five are occupied, fourteen thousand one hundred sixty-eight are owner occupied, four thousand two hundred seven are rented, three thousand seven hundred twenty-nine are vacant, and five thousand one hundred ninety-four have mortgages. has eighteen thousand three hundred seventy-five households, and forty-five thousand nine hundred thirty-two citizens.