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