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