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 one thousand nine hundred eighty-six Essex foreclosures of two hundred eighty-seven thousand one hundred forty-four Essex, Massachusetts housing units housing units, of which two hundred seventy-five thousand four hundred nineteen are occupied, one hundred seventy-four thousand nine hundred sixty-four are owner occupied, one hundred thousand four hundred fifty-five are rented, eleven thousand seven hundred twenty-five are vacant, and one hundred thousand eight hundred ninety-five have mortgages. has two hundred seventy-five thousand four hundred nineteen households, and seven hundred twenty-three thousand four hundred nineteen citizens.