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