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 zero Union foreclosures of five thousand six hundred fifty-seven Union, Iowa housing units housing units, of which five thousand two hundred forty-two are occupied, three thousand seven hundred seventy-seven are owner occupied, one thousand four hundred sixty-five are rented, four hundred fifteen are vacant, and one thousand six hundred have mortgages. has five thousand two hundred forty-two households, and twelve thousand three hundred nine citizens.