Table 3. Number of U.S. Household Members  
by Census Region and Type of Housing Unit, 1978-2001(Millions of Household Members)

Type of Housing Unit and Census Region Survey Years Excel Worksheet (xls) 1978 1979 1980 1981 1982 1984 1987 1990 1993 1997 2001 U.S. Total 216.78 214.19 229.22 233.36 229.59 232.61 234.85 245.09 252.51 262.47 274.15 Mobile Home 13.00 10.42 11.87 10.40 9.61 12.36 12.89 14.05 14.78 15.93 17.57 Single-Family Detached 149.30 150.85 160.94 166.08 160.27 157.33 156.76 166.73 167.23 178.20 172.63 Single-Family Attached 9.21 9.19 10.27 8.34 11.30 10.75 13.10 14.37 18.97 23.22 28.37 Apartments in Buildings with 2 to 4 Units 26.07 22.10 25.18 22.86 24.88 24.83 23.92 22.44 19.36 12.64 21.60 Apartments in Buildings with 5 or More Units 19.20 21.63 20.96 25.68 23.53 27.35 28.18 27.50 32.17 32.48 33.98 Total Northeast 49.74 47.58 50.11 51.50 49.57 49.55 49.20 50.82 50.94 49.33 49.33 Mobile Home 0.71 0.46 1.37 1.31 1.02 1.49 1.67 1.51 1.15 0.97 1.47 Single-Family Detached 25.78 24.87 28.10 29.54 27.22 27.97 26.96 28.62 27.52 29.21 24.65 Single-Family Attached 5.01 3.25 5.23 3.70 5.50 4.80 5.18 5.83 6.52 7.36 7.37 Apartments in Buildings with 2 to 4 Units 10.71 8.87 8.36 9.10 9.03 8.00 7.76 8.20 7.35 3.75 6.89 Apartments in Buildings with 5 or More Units 7.54 10.13 7.05 7.85 6.81 7.30 7.64 6.66 8.39 8.03 8.96 Total Midwest 61.35 60.72 60.71 57.88 59.32 56.05 57.02 57.85 59.74 62.61 61.76 Mobile Home 2.46 1.76 1.33 1.71 1.78 2.70 2.97 4.13 3.67 2.55 2.96 Single-Family Detached 48.41 48.61 46.61 44.42 43.38 38.62 41.24 42.36 43.26 46.59 41.32 Single-Family Attached 1.66 1.93 0.76 0.78 1.82 2.12 2.60 1.72 2.11 4.23 7.91 Apartments in Buildings with 2 to 4 Units 7.40 6.46 8.10 5.63 6.81 7.07 5.65 5.00 4.41 4.01 5.36 Apartments in Buildings with 5 or More Units 1.43 1.97 3.90 5.34 5.52 5.55 4.55 4.63 6.30 5.24 4.22 Total South 70.18 68.33 74.89 76.83 76.99 80.59 79.94 84.28 86.78 91.73 98.85 Mobile Home 8.08 5.86 6.60 5.55 4.79 5.89 5.90 5.67 7.47 7.99 9.23 Single-Family Detached 50.90 51.63 56.47 58.23 59.75 60.50 57.08 60.79 61.33 64.67 67.89 Single-Family Attached 1.49 2.68 1.79 1.84 1.21 2.96 3.20 4.21 6.55 6.14 7.08 Apartments in Buildings with 2 to 4 Units 4.58 3.47 4.57 4.29 5.07 3.78 5.38 5.37 3.73 3.08 5.34 Apartments in Buildings with 5 or More Units 5.12 4.70 5.46 6.93 6.17 7.46 8.39 8.24 7.71 9.85 9.30 Total West 35.50 37.56 43.51 47.16 43.71 46.42 48.68 52.13 55.05 58.80 64.20 Mobile Home 1.74 2.34 2.56 1.83 2.02 2.28 2.34 2.74 2.49 4.42 3.91 Single-Family Detached 24.21 25.74 29.77 33.89 29.93 30.25 31.49 34.95 35.12 37.73 38.76 Single-Family Attached 1.05 1.33 2.49 2.02 2.76 0.87 2.12 2.61 3.80 5.49 6.01 Apartments in Buildings with 2 to 4 Units 3.38 3.31 4.14 3.85 3.97 5.98 5.13 3.87 3.87 1.80 4.02 Apartments in Buildings with 5 or More Units 5.12 4.83 4.55 5.57 5.04 7.04 7.61 7.96 9.77 9.37 11.50 Sources: Energy Information Administration, Residential Energy Consumption Surveys, 1978, 1979, 1980, 1981, 1982, 1984, 1987, 1990, 1993, 1997, and 2001.

For specific questions about the "Number of U.S. Household Members. ", please contact: Stephanie J. Battles stephanie.battles@eia.doe.gov Phone: 202-586-7237 Fax:  202-586-0018 Release Date: September 2, 2004  EIA Home  Contact Us URL:   http://www.eia.doe.gov/emeu/efficiency/recs_3_table.htm