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