Table 9. Estimates of the Total Housing Inventory for the United States: 2001 and 2000 (Estimates are in thousands and may not add to total, due to rounding) Standard error on Standard 2001 Type 2001 2000 2001 error on Percent estimate estimate estimate differencof total All housing units....... 121,480 119,628 171 243 100 Occupied.............. 107,010 105,720 180 255 88 Owner occupied...... 72,593 71,250 181 256 60 Renter occupied..... 34,417 34,470 146 206 28 Vacant................ 14,470 13,908 101 141 12 Year-round vacant... 10,916 10,439 88 124 9 For rent.......... 3,203 3,024 49 68 3 For sale only..... 1,301 1,148 31 43 1 Rented or sold, awaiting occupancy 882 856 26 36 1 Held off market... 5,530 5,411 64 90 5 For occasional u 1,887 1,892 38 53 2 Temporarily occupied by persons with usual residence 1,064 1,037 28 40 1 For other reason 2,579 2,482 44 62 2 Seasonal vacant..... 3,554 3,469 52 72 3