2001 American Community Survey Profile
Black Hawk County
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TABLE 4. PROFILE OF SELECTED HOUSING CHARACTERISTICS
  Estimate Lower
Bound
Upper
Bound
Total housing units
52,109
*****
*****
UNITS IN STRUCTURE
1-unit, detached
37,143
36,303
37,983
1-unit, attached
2,220
1,763
2,677
2 units
1,049
727
1,371
3 or 4 units
2,786
2,195
3,377
5 to 9 units
2,342
1,801
2,883
10 to 19 units
1,767
1,378
2,156
20 or more units
2,437
2,061
2,813
Mobile home
2,365
1,939
2,791
Boat, RV, van, etc.
0
0
350
 
YEAR STRUCTURE BUILT
1999 or later
563
314
812
1995 to 1998
1,565
1,195
1,935
1990 to 1994
1,407
1,042
1,772
1980 to 1989
3,394
2,897
3,891
1970 to 1979
9,510
8,796
10,224
1960 to 1969
7,267
6,581
7,953
1950 to 1959
10,119
9,391
10,847
1940 to 1949
4,725
4,243
5,207
1939 or earlier
13,559
12,696
14,422
 
ROOMS
1 room
414
219
609
2 rooms
2,172
1,722
2,622
3 rooms
4,361
3,637
5,085
4 rooms
9,648
8,858
10,438
5 rooms
12,829
11,892
13,766
6 rooms
8,924
8,185
9,663
7 rooms
6,005
5,381
6,629
8 rooms
4,132
3,617
4,647
9 rooms or more
3,624
3,202
4,046
Median (rooms)
5.2
5.0
5.4
 
Occupied housing units
49,918
49,416
50,420
YEAR HOUSEHOLDER MOVED INTO UNIT
2000 or later
10,475
9,622
11,328
1995 to 1999
14,099
13,154
15,044
1990 to 1994
6,721
6,066
7,376
1980 to 1989
7,058
6,424
7,692
1970 to 1979
5,655
5,155
6,155
1969 or earlier
5,910
5,441
6,379
 
VEHICLES AVAILABLE
No vehicles available
2,900
2,420
3,380
1
16,104
15,172
17,036
2
20,200
19,085
21,315
3 or more
10,714
9,917
11,511
 
HOUSE HEATING FUEL
Utility gas
38,487
37,702
39,272
Bottled, tank, or LP gas
2,838
2,422
3,254
Electricity
7,717
7,103
8,331
Fuel oil, kerosene, etc.
473
318
628
Coal or coke
0
0
350
Wood
132
30
234
Solar energy
34
0
87
Other fuel
210
99
321
No fuel used
27
0
70
 
SELECTED CHARACTERISTICS
Lacking complete plumbing facilities
17
0
40
Lacking complete kitchen facilities
375
164
586
No telephone service available
1,341
828
1,854
 
OCCUPANTS PER ROOM
1.00 or less
49,205
48,697
49,713
1.01 to 1.50
611
385
837
1.51 or more
102
13
191
 
Specified owner-occupied units
30,595
29,673
31,517
VALUE
Less than $50,000
5,987
5,416
6,558
$50,000 to $99,999
14,179
13,349
15,009
$100,000 to $149,999
6,050
5,448
6,652
$150,000 to $199,999
2,463
2,090
2,836
$200,000 to $299,999
1,492
1,147
1,837
$300,000 to $499,999
368
220
517
$500,000 to $999,999
56
3
109
$1,000,000 or more
0
0
350
Median (dollars)
83,429
81,611
85,247
 
MORTGAGE STATUS AND SELECTED MONTHLY OWNER COSTS
Housing units with a mortgage
19,761
18,855
20,667
Less than $300
92
26
158
$300 to $499
2,245
1,834
2,656
$500 to $699
4,475
3,964
4,987
$700 to $999
6,320
5,650
6,990
$1,000 to $1,499
4,329
3,887
4,771
$1,500 to $1,999
1,631
1,308
1,954
$2,000 or more
669
461
877
Median (dollars)
832
814
850
Housing units without a mortgage
10,834
10,149
11,519
Less than $100
47
0
103
$100 to $199
1,327
1,014
1,641
$200 to $299
3,821
3,357
4,285
$300 to $399
2,626
2,159
3,093
$400 or more
3,013
2,634
3,393
Median (dollars)
308
292
325
 
SELECTED MONTHLY OWNER COSTS AS A PERCENTAGE OF HOUSEHOLD INCOME
Housing unit with a mortgage
19,761
18,855
20,667
Less than 20 percent
9,562
8,760
10,364
20.0 to 24.9 percent
3,779
3,299
4,259
25.0 to 29.9 percent
2,307
1,876
2,738
30.0 to 34.9 percent
1,039
788
1,290
35.0 percent or more
3,027
2,558
3,496
Not computed
47
0
101
Housing unit without a mortgage
10,834
10,149
11,519
Less than 10 percent
4,239
3,716
4,762
10.0 to 14.9 percent
2,965
2,534
3,396
15.0 to 19.9 percent
1,153
866
1,440
20.0 to 24.9 percent
736
490
982
25.0 to 29.9 percent
290
168
412
30.0 to 34.9 percent
294
150
438
35.0 percent or more
1,029
768
1,290
Not computed
128
36
220
 
Specified renter-occupied units
14,900
13,996
15,804
GROSS RENT
Less than $200
502
324
680
$200 to $299
697
443
951
$300 to $499
5,051
4,447
5,655
$500 to $749
5,504
4,847
6,161
$750 to $999
1,576
1,140
2,012
$1,000 to $1,499
708
436
980
$1,500 or more
214
89
339
No cash rent
648
415
881
Median (dollars)
523
510
536
 
GROSS RENT AS A PERCENTAGE OF HOUSEHOLD INCOME
Less than 15 percent
1,996
1,605
2,387
15.0 to 19.9 percent
1,866
1,460
2,272
20.0 to 24.9 percent
1,829
1,385
2,273
25.0 to 29.9 percent
1,630
1,234
2,026
30.0 to 34.9 percent
1,048
754
1,342
35.0 percent or more
5,842
5,274
6,410
Not computed
689
463
915

The 2001 American Community Survey universe is limited to the household population and excludes the population living in institutions, college dormitories, and other group quarters. Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate is represented through the use of a confidence interval. The confidence interval computed here is a 90 percent confidence interval and can be interpreted roughly as providing 90 percent certainty that the true number falls between the lower and upper bounds.

1. An '*' entry in the lower and upper bound columns indicates that too few sample observations were available to compute a standard error and thus the lower and upper bounds. A statistical test is not appropriate.
2. An '**' entry in the lower and upper bound columns indicates that no sample observations were available to compute a standard error and thus the lower and upper bounds. A statistical test is not appropriate.
3. An '-' entry in the estimate column indicates that no sample observations were available to compute an estimate.
4. An '-' following a median estimate means the median falls in the lowest interval of an open-ended distribution.
5. An '+' following a median estimate means the median falls in the upper interval of an open-ended distribution.
6. An '***' entry in the lower and upper bound columns indicates that the median falls in the lowest interval or upper interval of an open-ended distribution. A statistical test is not appropriate.
7. An '*****' entry in the lower and upper bound columns indicates that the estimate is controlled. A statistical test is not appropriate.
8. An 'N' entry in the estimate, lower bound, and upper bound columns indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.

Source: U.S. Census Bureau
American Community Survey Office

Created: Wednesday May 29, 2002
Last revised: Thursday August 23, 2007