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 two Mercer foreclosures of thirty thousand one hundred forty-three Mercer, West Virginia housing units housing units, of which twenty-six thousand five hundred nine are occupied, twenty thousand three hundred sixty-two are owner occupied, six thousand one hundred forty-seven are rented, three thousand six hundred thirty-four are vacant, and six thousand two hundred thirty-seven have mortgages. has twenty-six thousand five hundred nine households, and sixty-two thousand nine hundred eighty citizens.