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