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