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