U.S. Census Bureau
 American Housing Survey (AHS)




American Housing Survey for the United States: 2001


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Table 1B-1. Introductory Characteristics--All Housing Units--In Central Cities
[Numbers in thousands.  Consistent with the 1990 Census.  ... means not applicable or sample too small.  - means zero or rounds to zero.]
Year-round
Occupied
Vacant
Total
housing
units		 Sea-
sonal		 Total Total Owner Renter Total For
rent		 Rental
vacan-
cy rate		 For
sale
only		 Rent-
ed or
sold		 Occa-
sional
use/
URE		 Other
vacant		 New
con-
struc-
tion
4 years		 Manu-
fact-
ured/
mobile
homes

Total		 35076 184 34892 31731 16870 14861 3161 1326 8.1 341 234 537 724 1282 674

Units in Structure

1, detached		 17070 52 17018 16032 13549 2483 986 181 6.7 232 102 133 339 616 0
1, attached 3464 25 3439 3030 1384 1646 409 156 8.6 31 37 75 110 165 0
2 to 4 4654 20 4634 4081 682 3399 553 267 7.2 36 28 74 148 84 0
5 to 9 2547 14 2533 2222 138 2084 311 199 8.7 0 7 58 48 79 0
10 to 19 2253 2 2251 1962 153 1809 289 192 9.5 12 20 50 14 119 0
20 to 49 1967 22 1945 1707 158 1549 239 187 10.7 7 23 11 12 69 0
50 or more 2447 26 2420 2154 336 1817 267 133 6.8 14 18 77 24 86 0
Manufactured/mobile home or trailer 674 22 651 544 471 73 108 10 12.1 8 0 61 29 63 674

Cooperatives and Condominiums

Cooperatives		 443 3 440 380 273 108 60 15 12.4 4 0 38 3 6 4
Condominiums 1666 31 1635 1420 901 519 214 37 6.6 39 17 88 34 109 5

Year Structure Built@14

2000 to 2004		 618 3 615 487 321 166 128 41 19.7 34 17 27 9 618 17
1995 to 1999 1510 17 1493 1352 867 485 141 75 13.5 17 3 28 17 665 139
1990 to 1994 1275 21 1255 1160 773 387 94 37 8.8 18 9 24 6 0 48
1985 to 1989 1832 7 1824 1646 841 805 179 78 8.6 9 20 56 15 0 51
1980 to 1984 1741 14 1727 1539 834 705 188 81 10.2 10 5 81 11 0 126
1975 to 1979 2821 11 2811 2577 1260 1317 234 124 8.5 24 12 41 33 0 108
1970 to 1974 3022 23 2999 2781 1213 1567 218 137 8.0 15 7 36 23 0 101
1960 to 1969 4879 44 4835 4529 2543 1986 305 144 6.7 31 25 42 64 0 67
1950 to 1959 4607 6 4602 4273 2605 1668 329 99 5.5 57 40 34 99 0 10
1940 to 1949 3300 5 3295 2992 1636 1356 302 139 9.2 20 19 33 91 0 0
1930 to 1939 2922 10 2912 2619 1332 1288 293 111 7.9 29 20 20 113 0 5
1920 to 1929 2777 15 2762 2478 1181 1297 284 105 7.4 32 13 40 94 0 0
1919 or earlier 3771 8 3762 3297 1461 1835 466 156 7.8 44 43 74 148 0 0
Median 1960 1970 1960 1960 1960 1959 1957 1963 ... 1957 1955 1973 1940 1999 1981

Suitability for Year-Round Use@11

Built and heated for year-round use		 35067 175 34892 31731 16870 14861 3161 1326 8.1 341 234 537 724 1282 674
Not suitable 4 4 0 0 0 0 0 0 0.0 0 0 0 0 0 0
Not reported 5 5 0 0 0 0 0 0 0.0 0 0 0 0 0 0

Time Sharing

Vacant, including URE		 3345 184 3161 0 0 0 3161 1326 92.4 341 234 537 724 204 130
Ownership time-shared 22 1 20 0 0 0 20 13 100.0 0 0 8 0 0 0
Not time-shared 3323 182 3141 0 0 0 3141 1313 92.4 341 234 530 724 204 130

Duration of Vacancy

Vacant units		 3079 152 2927 0 0 0 2927 1326 92.6 341 234 303 724 172 126
Less than 1 month vacant 571 25 546 0 0 0 546 351 88.6 41 75 28 50 35 0
1 month up to 2 months 258 9 249 0 0 0 249 149 88.5 21 32 12 34 13 3
2 months up to 6 months 629 41 588 0 0 0 588 306 94.7 82 36 69 95 33 44
6 months up to 1 year 341 23 318 0 0 0 318 112 88.5 52 31 59 63 15 57
1 year up to 2 years 236 9 227 0 0 0 227 78 93.5 42 15 20 72 7 4
2 years or more 484 10 474 0 0 0 474 125 98.1 40 15 30 264 7 12
Never occupied 51 3 48 0 0 0 48 12 100.0 12 10 2 11 41 0
Don't know 510 32 478 0 0 0 478 193 98.8 50 19 83 133 20 6

Last Used as a Permanent Residence

Vacant seasonal		 184 184 0 0 0 0 0 0 0.0 0 0 0 0 8 22
Less than 1 month since occupied
as permanent home		 7 7 0 0 0 0 0 0 0.0 0 0 0 0 0 2
1 month up to 2 months 1 1 0 0 0 0 0 0 0.0 0 0 0 0 0 0
2 months up to 6 months 19 19 0 0 0 0 0 0 0.0 0 0 0 0 0 0
6 months up to 1 year 5 5 0 0 0 0 0 0 0.0 0 0 0 0 0 0
1 year up to 2 years 5 5 0 0 0 0 0 0 0.0 0 0 0 0 0 0
2 years or more 23 23 0 0 0 0 0 0 0.0 0 0 0 0 0 0
Never occupied as permanent home 80 80 0 0 0 0 0 0 0.0 0 0 0 0 4 8
Don't know 43 43 0 0 0 0 0 0 0.0 0 0 0 0 4 13
Not reported 0 0 0 0 0 0 0 0 0.0 0 0 0 0 0 0

Metropolitan/Nonmetropolitan Areas

Inside metropolitan statistical areas		 35076 184 34892 31731 16870 14861 3161 1326 8.1 341 234 537 724 1282 674
In central cities 35076 184 34892 31731 16870 14861 3161 1326 8.1 341 234 537 724 1282 674
Suburbs 0 0 0 0 0 0 0 0 0.0 0 0 0 0 0 0
Outside metropolitan statistical areas 0 0 0 0 0 0 0 0 0.0 0 0 0 0 0 0

Regions

Northeast		 6965 27 6938 6337 2513 3825 601 204 5.0 44 74 102 176 95 17
Midwest 7746 21 7726 6893 4082 2811 833 390 12.1 88 57 109 189 260 134
South 11631 75 11556 10301 5813 4487 1255 525 10.4 139 71 229 292 491 296
West 8733 61 8672 8200 4462 3737 472 207 5.2 69 32 98 66 436 227

Urbanized Areas

Inside urbanized areas		 S S S S S S S S ... S S S S S S
In central cities of MSAs S S S S S S S S ... S S S S S S
Urban fringe S S S S S S S S ... S S S S S S
Outside urbanized areas S S S S S S S S ... S S S S S S
Other urban S S S S S S S S ... S S S S S S
Rural S S S S S S S S ... S S S S S S

Place Size

Less than 2,500 persons		 0 0 0 0 0 0 0 0 0.0 0 0 0 0 0 0
2,500 to 9,999 persons 3 0 3 3 3 0 0 0 0.0 0 0 0 0 0 0
10,000 to 19,999 persons 151 4 148 134 76 58 14 1 2.0 2 2 5 4 2 3
20,000 to 49,999 persons 3540 17 3523 3188 1903 1285 335 146 10.1 46 17 63 63 116 68
50,000 to 99,999 persons 5607 38 5568 5032 2938 2094 537 204 8.8 57 37 125 113 264 119
100,000 to 249,999 persons 6944 20 6924 6291 3510 2782 633 263 8.6 59 58 82 171 261 97
250,000 to 499,999 persons 6521 20 6501 5913 3204 2709 588 276 9.2 81 39 72 120 241 87
500,000 to 999,999 persons 4244 53 4191 3845 2101 1744 346 172 8.9 39 22 39 74 180 52
1,000,000 persons or more 7710 14 7696 7062 2900 4163 634 258 5.8 49 60 95 171 165 21

Homes Currently for Sale or Rent

Up for rent only		 1404 0 1404 22 22 0 1383 1260 100.0 0 0 122 0 94 6
Up for rent or for sale 81 0 81 16 16 0 66 66 100.0 0 0 0 0 4 4
For sale only 580 0 580 225 225 0 355 0 0.0 341 0 14 0 51 23
Not on the market 17608 0 17608 16250 16250 0 1359 0 0.0 0 234 401 724 726 526
Not reported 357 0 357 357 357 0 0 0 0.0 0 0 0 0 22 19

Reasons Extra Unit Owned@1

Extra units		 715 178 537 0 0 0 537 0 0.0 0 0 537 0 46 83
Previous usual residence 122 12 110 0 0 0 110 0 0.0 0 0 110 0 3 13
Used for recreational purposes 166 61 105 0 0 0 105 0 0.0 0 0 105 0 3 59
Investment purposes 173 37 137 0 0 0 137 0 0.0 0 0 137 0 17 0
Unable to sell property 16 0 16 0 0 0 16 0 0.0 0 0 16 0 0 0
Inherited property 23 4 18 0 0 0 18 0 0.0 0 0 18 0 0 0
Other reasons 171 62 109 0 0 0 109 0 0.0 0 0 109 0 23 11
Not reported 85 10 75 0 0 0 75 0 0.0 0 0 75 0 0 0

Location of Extra Unit

Within 150 miles of current residence		 284 82 203 0 0 0 203 0 0.0 0 0 203 0 15 9
150 miles or more from current residence 285 76 209 0 0 0 209 0 0.0 0 0 209 0 16 74
Not reported 145 20 125 0 0 0 125 0 0.0 0 0 125 0 15 0

Nights Owner Spent at Extra Unit

0 to 2 nights		 264 56 207 0 0 0 207 0 0.0 0 0 207 0 21 13
3 to 7 nights 4 0 4 0 0 0 4 0 0.0 0 0 4 0 0 0
8 nights or more 290 99 191 0 0 0 191 0 0.0 0 0 191 0 13 58
Not reported 157 23 134 0 0 0 134 0 0.0 0 0 134 0 12 11

Nights Owner Rented Extra Unit

0 to 2 nights		 350 81 269 0 0 0 269 0 0.0 0 0 269 0 12 79
3 to 7 nights 3 2 2 0 0 0 2 0 0.0 0 0 2 0 0 0
8 nights or more 203 72 131 0 0 0 131 0 0.0 0 0 131 0 24 1
Not reported 158 23 135 0 0 0 135 0 0.0 0 0 135 0 10 3

Manufactured/Mobile Home Tiedowns

Manufactured/mobile homes		 674 22 651 544 471 73 108 10 12.1 8 0 61 29 63 674
Anchored by tiedowns, bolts
or other means		 475 8 467 369 337 31 98 9 21.8 8 0 59 23 48 475
Not anchored 89 3 86 78 71 7 8 1 15.6 0 0 2 5 15 89
Anchoring not reported 110 11 99 97 63 34 2 0 0.0 0 0 0 2 0 110

Manufactured/Mobile Home Set Up

Manufactured/mobile homes		 674 22 651 544 471 73 108 10 12.1 8 0 61 29 63 674
Set on permanent masonry foundation 113 0 113 107 101 7 6 0 0.0 0 0 2 4 12 113
Resting on concrete pad 196 6 191 156 146 11 34 1 4.9 0 0 31 3 24 196
Up on blocks, but not on concrete pad 290 11 279 219 182 37 60 9 19.4 8 0 26 18 23 290
Set up in some other way 47 3 44 42 40 2 2 0 0.0 0 0 2 0 4 47
Set up not reported 27 3 24 19 3 16 5 1 3.4 0 0 0 4 0 27
@14For manufactured/mobile homes, oldest category is 1939 or earlier.
@11If occupied year-round, assumed to be suitable for year-round use.
@1Figures may not add to total because more than one category may apply to a unit.

Go to American Housing Survey for the United States: 2001
Contact the American Housing Survey Branch by email or by phone at 301-763-3235 or 1-888-518-7365, or visit ask.census.gov for further information on American Housing Survey Data.

Source: U.S. Census Bureau, Housing and Household Economic Statistics Division
Last Revised: February 18, 2005