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