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