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 twenty-six Marion foreclosures of twelve thousand seven hundred fifty-five Marion, Iowa housing units housing units, of which twelve thousand seventeen are occupied, nine thousand seventy-nine are owner occupied, two thousand nine hundred thirty-eight are rented, seven hundred thirty-eight are vacant, and four thousand four hundred ninety-eight have mortgages. has twelve thousand seventeen households, and thirty-two thousand fifty-two citizens.