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