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 sixteen Marion foreclosures of twelve thousand one hundred forty Marion, Tennessee housing units housing units, of which eleven thousand thirty-seven are occupied, eight thousand nine hundred three are owner occupied, two thousand one hundred thirty-four are rented, one thousand one hundred three are vacant, and three thousand two hundred seven have mortgages. has eleven thousand thirty-seven households, and twenty-seven thousand seven hundred seventy-six citizens.