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