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