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