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