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