Table 10. Vacant For-Rent Units, by Selected Characteristic for the United States: 1960, 1970, 1975, and 1980 to 2006 (Percent distribution may not add to 100, due to rounding) Characteristic 1960 1970 1975 1980 1981 1982 1983 1984 Rooms in unit, total.................... 100 100 100 100 100 100 100 100 1 and 2 rooms......................... 30 25 20 19 19 18 16 16 3 rooms............................... 27 27 27 25 27 29 28 26 4 rooms............................... 22 26 32 31 30 29 32 34 5 rooms or more....................... 21 22 21 25 24 24 25 25 Median number or rooms................ 3.3 3.4 3.6 3.7 3.6 3.6 3.7 3.7 Bedrooms in unit, total................. 100 100 100 100 100 100 100 100 No bedrooms........................... 15 19 14 14 14 12 11 11 1 bedroom............................. 45 35 35 34 36 37 36 34 2 bedrooms............................ 29 34 39 38 36 37 38 41 3 bedrooms or more.................... 11 12 12 14 14 14 15 14 Housing units in structure, total...... 100 100 100 100 100 100 100 100 1 unit................................ 33 25 18 20 21 23 22 22 2 units............................... 20 14 13 14 14 14 13 13 3 and 4 units......................... 16 14 13 14 15 15 14 15 5 to 9 units.......................... 12 16 19 15 14 15 16 16 10 units or more...................... 19 31 37 37 36 33 34 35 Mobile homes.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) Duration of vacancy, total.............� 100 100 100 100 100 100 100 100 Less than 1 month..................... 31 35 34 37 39 35 35 34 1 to 2 months......................... 15 14 15 17 16 17 17 17 2 to 4 months......................... 17 16 17 17 17 17 18 18 4 to 6 months......................... 9 8 10 9 8 10 10 10 6 months or more...................... 28 27 24 20 20 21 21 21 6 to 12 months...................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) 1 to 2 years........................ (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) 2 years or more..................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) Year structure built, total............. 100 100 100 100 100 100 100 100 1970 or later......................... (NA) 19 23 25 25 26 30 36 1960 to 1969.......................... (NA) 7 17 16 16 16 15 13 1950 to 1959.......................... (NA) 10 9 10 11 10 9 10 1940 to 1949.......................... (NA) 11 8 8 9 9 9 9 1939 or earlier....................... (NA) 53 43 41 39 39 37 32 Monthly rent, total..................... 100 100 100 100 100 100 100 100 Less than $100........................ (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) $100 to $199.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) $200 to $249.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) $250 to $299.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) $300 to $399.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) $400 to $499.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) $500 to $599.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) $600 to $699.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) $700 to $799.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) $800 or more.......................... (NA) (NA) (NA) (NA) (NA) (NA) (NA) (NA) Median rent (Actual dollars)........................ 53 82 136 211 226 245 267 289 (2006 constant dollars)...............�� 384 400 488 517 506 517 540 561 Table 10. Vacant For-Rent Units, by Selected Characteristic for the United States: 1960, 1970, 1975, and 1980 to 2006 - Continued Characteristic 1985 1986 1987 1988 1989 1989\r 1990 1991 Rooms in unit, total.................... 100 100 100 100 100 100 100 100 1 and 2 rooms......................... 16 14 13 14 13 13 13 13 3 rooms............................... 28 30 31 30 29 28 27 27 4 rooms............................... 33 34 35 35 36 37 36 36 5 rooms or more....................... 23 22 21 20 23 23 24 24 Median number or rooms................ 3.7 3.7 3.7 3.6 3.7 3.7 3.8 3.8 Bedrooms in unit, total................. 100 100 100 100 100 100 100 100 No bedrooms........................... 10 9 9 9 9 8 8 9 1 bedroom............................. 37 38 38 38 37 36 35 35 2 bedrooms............................ 40 40 40 41 42 43 44 43 3 bedrooms or more.................... 13 12 12 12 12 13 13 13 Housing units in structure, total...... 100 100 100 100 100 100 100 100 1 unit................................ 20 18 17 16 16 15 15 14 2 units............................... 12 12 11 11 11 11 11 11 3 and 4 units......................... 14 14 14 14 13 13 14 13 5 to 9 units.......................... 18 18 18 18 19 18 16 17 10 units or more...................... 36 39 40 42 41 39 39 41 Mobile homes.......................... (NA) (NA) (NA) (NA) (NA) 4 5 4 Duration of vacancy, total.............. 100 100 100 100 100 100 100 100 Less than 1 month..................... 33 31 29 28 30 30 31 29 1 to 2 months......................... 17 16 16 16 18 18 17 17 2 to 4 months......................... 18 19 20 19 19 19 17 19 4 to 6 months......................... 10 11 11 10 10 10 10 10 6 months or more...................... 22 23 24 25 23 23 25 25 6 to 12 months...................... (NA) (NA) (NA) 11 10 10 10 11 1 to 2 years........................ (NA) (NA) (NA) 8 8 8 9 8 2 years or more..................... (NA) (NA) (NA) 6 5 5 6 6 Year structure built, total............. 100 100 100 100 100 100 100 100 1970 or later......................... 42 46 46 45 43 44 43 42 1960 to 1969.......................... 13 12 13 14 14 14 15 16 1950 to 1959.......................... 10 11 11 10 10 10 10 10 1940 to 1949.......................... 9 7 7 9 9 9 8 9 1939 or earlier....................... 27 23 23 23 23 23 24 23 Monthly rent, total..................... 100 100 100 100 100 100 100 100 Less than $100........................ (NA) (NA) (NA) (NA) (NA) 2 1 2 $100 to $199.......................... (NA) (NA) (NA) (NA) (NA) 12 11 8 $200 to $249.......................... (NA) (NA) (NA) (NA) (NA) 12 10 9 $250 to $299.......................... (NA) (NA) (NA) (NA) (NA) 14 12 10 $300 to $399.......................... (NA) (NA) (NA) (NA) (NA) 22 21 21 $400 to $499.......................... (NA) (NA) (NA) (NA) (NA) 14 15 17 $500 to $599.......................... (NA) (NA) (NA) (NA) (NA) 9 10 12 $600 to $699.......................... (NA) (NA) (NA) (NA) (NA) 6 7 8 $700 to $799.......................... (NA) (NA) (NA) (NA) (NA) 4 4 4 $800 or more.......................... (NA) (NA) (NA) (NA) (NA) 6 8 8 Median rent (Actual dollars)........................ 305 329 330 343 358 346 371 398 (2006 constant dollars)...............�� 571 605 586 585 582 563 572 589 Table 10. Vacant For-Rent Units, by Selected Characteristic for the United States: 1960, 1970, 1975, and 1980 to 2006 - Continued Characteristic 1992 1993 1993\r 1994 1995 1996 1997 1998 Rooms in unit, total.................... 100 100 100 100 100 100 100 100 1 and 2 rooms......................... 13 13 13 14 14 14 13 12 3 rooms............................... 29 26 26 26 26 24 26 24 4 rooms............................... 35 36 36 35 35 36 36 36 5 rooms or more....................... 23 24 25 25 25 25 26 28 Median number or rooms................ 3.7 3.8 3.8 3.8 3.8 3.8 3.8 3.9 Bedrooms in unit, total................. 100 100 100 100 100 100 100 100 No bedrooms........................... 8 8 8 4 4 4 4 3 1 bedroom............................. 38 36 36 36 37 36 35 34 2 bedrooms............................ 41 42 43 45 44 46 45 46 3 bedrooms or more.................... 13 13 13 15 15 14 16 17 Housing units in structure, total...... 100 100 100 100 100 100 100 100 1 unit................................ 15 15 15 17 20 19 21 22 2 units............................... 11 10 10 11 11 12 12 10 3 and 4 units......................... 14 14 14 12 13 13 13 12 5 to 9 units.......................... 17 18 18 16 16 15 15 16 10 units or more...................... 39 40 40 39 36 36 34 33 Mobile homes.......................... 4 3 3 4 5 5 5 6 Duration of vacancy, total.............. 100 100 100 100 100 100 100 100 Less than 1 month..................... 29 28 27 31 29 29 29 29 1 to 2 months......................... 16 16 16 18 19 19 19 19 2 to 4 months......................... 20 20 20 18 19 19 20 19 4 to 6 months......................... 10 11 11 11 11 10 10 11 6 months or more...................... 26 25 25 23 22 23 22 23 6 to 12 months...................... 12 11 11 11 11 11 11 12 1 to 2 years........................ 9 9 9 7 7 7 6 6 2 years or more..................... 5 5 5 6 4 5 5 5 Year structure built, total............. 100 100 100 100 100 100 100 100 1970 or later......................... 40 41 41 41 42 44 44 45 1960 to 1969.......................... 17 16 16 16 14 14 14 14 1950 to 1959.......................... 10 10 10 11 12 11 12 11 1940 to 1949.......................... 9 9 9 9 10 9 9 10 1939 or earlier....................... 25 24 24 23 22 23 22 20 Monthly rent, total..................... 100 100 100 100 100 100 100 100 Less than $100........................ 1 1 1 2 2 2 1 1 $100 to $199.......................... 7 5 5 5 4 4 3 3 $200 to $249.......................... 8 7 7 7 6 4 5 4 $250 to $299.......................... 9 10 10 8 8 7 9 8 $300 to $399.......................... 22 21 21 22 23 24 23 21 $400 to $499.......................... 19 20 19 20 19 20 18 19 $500 to $599.......................... 12 13 13 14 14 14 14 15 $600 to $699.......................... 8 8 8 8 9 8 8 10 $700 to $799.......................... 5 5 5 5 5 5 5 5 $800 or more.......................... 9 10 10 10 11 12 13 13 Median rent (Actual dollars)........................ 411 431 430 429 438 444 442 461 (2006 constant dollars)...............�� 591 601 600 584 579 570 555 570 Table 10. Vacant For-Rent Units, by Selected Characteristic for the United States: 1960, 1970, 1975, and 1980 to 2006 - Continued Characteristic 1999 2000 2001 2002 2002\r 2003 Rooms in unit, total.................... 100 100 100 100 100 100 1 and 2 rooms......................... 13 11 10 9 9 10 3 rooms............................... 24 25 25 25 25 24 4 rooms............................... 36 36 37 35 35 35 5 rooms or more....................... 28 28 29 31 31 31 Median number or rooms................ 3.9 3.9 3.9 4.0 4.0 4.0 Bedrooms in unit, total................. 100 100 100 100 100 100 No bedrooms........................... 4 3 2 2 2 3 1 bedroom............................. 34 33 35 34 34 33 2 bedrooms............................ 46 47 45 46 46 46 3 bedrooms or more.................... 16 17 17 18 18 18 Housing units in structure, total...... 100 100 100 100 100 100 1 unit................................ 26 26 29 28 28 26 2 units............................... 10 8 7 7 7 8 3 and 4 units......................... 13 12 11 11 11 11 5 to 9 units.......................... 17 16 15 15 15 14 10 units or more...................... 28 33 33 35 35 35 Mobile homes.......................... 6 6 6 5 5 5 Duration of vacancy, total.............� 100 100 100 100 100 100 Less than 1 month..................... 27 28 28 26 26 24 1 to 2 months......................... 19 20 20 21 21 20 2 to 4 months......................... 20 19 20 21 21 21 4 to 6 months......................... 10 11 11 11 11 12 6 months or more...................... 24 23 22 21 21 23 6 to 12 months...................... 11 12 11 10 10 12 1 to 2 years........................ 7 6 6 6 6 6 2 years or more..................... 5 6 5 5 5 5 Year structure built, total............. 100 100 100 100 100 100 1970 or later......................... 47 49 51 53 53 54 1960 to 1969.......................... 14 15 13 13 13 13 1950 to 1959.......................... 10 11 10 9 9 10 1940 to 1949.......................... 9 9 8 8 8 7 1939 or earlier....................... 19 17 17 17 18 17 Monthly rent, total..................... 100 100 100 100 100 100 Less than $100........................ 1 1 1 1 1 1 $100 to $199.......................... 3 3 3 1 1 1 $200 to $249.......................... 4 4 3 3 3 2 $250 to $299.......................... 7 7 5 4 4 3 $300 to $399.......................... 24 22 19 16 16 15 $400 to $499.......................... 19 17 17 15 15 15 $500 to $599.......................... 13 14 15 14 14 15 $600 to $699.......................... 9 9 10 11 11 12 $700 to $799.......................... 6 7 8 10 10 9 $800 or more.......................... 15 17 20 24 24 27 Median rent (Actual dollars)........................ 461 483 518 566 568 589 (2006 constant dollars)...............�� 558 565 590 634 637 646 Table 10. Vacant For-Rent Units, by Selected Characteristic for the United States: 1960, 1970, 1975, and 1980 to 2006 - Continued Characteristic 2004 2005 2006 Rooms in unit, total.................... 100 100 100 1 and 2 rooms......................... 9 9 9 3 rooms............................... 24 24 23 4 rooms............................... 35 33 34 5 rooms or more....................... 33 34 34 Median number or rooms................ 4.0 4.0 4.0 Bedrooms in unit, total................. 100 100 100 No bedrooms........................... 2 2 2 1 bedroom............................. 33 32 32 2 bedrooms............................ 45 46 44 3 bedrooms or more.................... 20 20 21 Housing units in structure, total...... 100 100 100 1 unit................................ 28 31 31 2 units............................... 8 8 8 3 and 4 units......................... 12 12 11 5 to 9 units.......................... 14 14 13 10 units or more...................... 34 32 32 Mobile homes.......................... 4 5 5 Duration of vacancy, total.............. 100 100 100 Less than 1 month..................... 24 24 24 1 to 2 months......................... 20 20 19 2 to 4 months......................... 21 21 20 4 to 6 months......................... 13 12 12 6 months or more...................... 23 23 24 6 to 12 months...................... 12 12 12 1 to 2 years........................ 6 7 7 2 years or more..................... 5 4 5 Year structure built, total............. 100 100 100 April 1, 2000 or later................ 8 8 9 1995 to 3/31/00....................... 6 6 6 1990 to 1994.......................... 5 5 6 1980 to 1989.......................... 15 14 14 1970 to 1979.......................... 19 18 19 1960 to 1969.......................... 13 14 13 1950 to 1959.......................... 9 11 10 1940 to 1949.......................... 8 7 7 1939 or earlier....................... 16 17 17 Monthly rent, specified renter units\1 All spec Rental Units 100 100 100 Less than $300.......................... 7 7 4 $300 to $349............................ 5 4 4 $350 to $399............................ 7 7 5 $400 to $449............................ 8 9 6 $450 to $499............................ 8 8 7 $500 to $599............................ 14 14 14 $600 to $699............................ 14 13 12 $700 to $799............................ 9 9 9 $800 or more............................ 29 28 28 $800 to $899.......................... 8 7 7 $900 to $999.......................... 5 5 5 $1000 or more........................... 16 16 16 $1000 to $1249........................ 6 6 7 $1250 to $1499........................ 3 3 4 $1500 or more......................... 6 6 6 (Actual dollars)........................ 615 605 633 (2006 constant dollars)...............�� 656 625 633 \r Revised. NA Not Available. \1 Excludes one-family homes on 10 acres or more.