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2001 Supplementary Survey Profile
Polk County
Supplementary Survey 2001 Logo

TABLE 4. PROFILE OF SELECTED HOUSING CHARACTERISTICS
  Estimate Lower
Bound
Upper
Bound
Total housing units
158,921
*****
*****
UNITS IN STRUCTURE
1-unit, detached
99,835
94,935
104,736
1-unit, attached
10,368
7,109
13,627
2 units
3,933
1,974
5,892
3 or 4 units
2,792
956
4,628
5 to 9 units
7,576
4,561
10,591
10 to 19 units
7,424
4,954
9,894
20 or more units
21,281
17,144
25,418
Mobile home
5,712
3,265
8,159
Boat, RV, van, etc.
0
0
350
 
YEAR STRUCTURE BUILT
1999 or later
3,728
2,393
5,063
1995 to 1998
10,740
8,225
13,255
1990 to 1994
10,928
8,927
12,929
1980 to 1989
17,133
14,122
20,144
1970 to 1979
27,996
24,081
31,911
1960 to 1969
19,685
16,029
23,341
1950 to 1959
20,861
17,503
24,219
1940 to 1949
10,876
8,408
13,344
1939 or earlier
36,974
32,763
41,185
 
ROOMS
1 room
2,440
693
4,187
2 rooms
5,743
3,078
8,408
3 rooms
13,884
10,383
17,385
4 rooms
36,818
32,454
41,182
5 rooms
29,421
25,095
33,747
6 rooms
24,106
20,529
27,683
7 rooms
17,516
14,158
20,874
8 rooms
13,582
10,874
16,290
9 rooms or more
15,411
12,606
18,216
Median (rooms)
5.2
5.0
5.4
 
Occupied housing units
149,099
146,007
152,191
YEAR HOUSEHOLDER MOVED INTO UNIT
2000 or later
32,238
27,933
36,543
1995 to 1999
52,964
47,625
58,303
1990 to 1994
18,157
14,347
21,967
1980 to 1989
21,244
17,664
24,825
1970 to 1979
12,820
10,061
15,579
1969 or earlier
11,676
9,074
14,278
 
VEHICLES AVAILABLE
No vehicles available
5,705
3,761
7,649
1
57,587
51,772
63,402
2
56,680
50,953
62,407
3 or more
29,127
24,923
33,331
 
HOUSE HEATING FUEL
Utility gas
118,690
113,519
123,861
Bottled, tank, or LP gas
4,296
2,433
6,159
Electricity
23,139
18,788
27,490
Fuel oil, kerosene, etc.
149
0
413
Coal or coke
0
0
350
Wood
184
0
499
Solar energy
0
0
350
Other fuel
2,240
570
3,910
No fuel used
401
0
878
 
SELECTED CHARACTERISTICS
Lacking complete plumbing facilities
0
0
350
Lacking complete kitchen facilities
1,241
119
2,363
No telephone service available
4,292
1,533
7,051
 
OCCUPANTS PER ROOM
1.00 or less
144,810
141,131
148,490
1.01 to 1.50
1,576
566
2,586
1.51 or more
2,713
1,027
4,399
 
Specified owner-occupied units
91,560
86,805
96,315
VALUE
Less than $50,000
5,472
3,700
7,244
$50,000 to $99,999
34,259
30,688
37,830
$100,000 to $149,999
28,032
24,349
31,715
$150,000 to $199,999
15,083
12,280
17,886
$200,000 to $299,999
6,074
4,337
7,811
$300,000 to $499,999
2,417
1,188
3,646
$500,000 to $999,999
223
0
589
$1,000,000 or more
0
0
350
Median (dollars)
110,546
105,731
115,361
 
MORTGAGE STATUS AND SELECTED MONTHLY OWNER COSTS
Housing units with a mortgage
68,954
64,313
73,595
Less than $300
370
0
816
$300 to $499
1,388
580
2,197
$500 to $699
6,231
4,098
8,364
$700 to $999
18,469
15,055
21,883
$1,000 to $1,499
26,383
22,870
29,896
$1,500 to $1,999
12,427
10,114
14,740
$2,000 or more
3,686
2,270
5,102
Median (dollars)
1,134
1,091
1,177
Housing units without a mortgage
22,606
18,993
26,220
Less than $100
0
0
350
$100 to $199
1,525
537
2,513
$200 to $299
4,791
2,872
6,710
$300 to $399
6,893
4,689
9,097
$400 or more
9,397
7,038
11,757
Median (dollars)
372
347
397
 
SELECTED MONTHLY OWNER COSTS AS A PERCENTAGE OF HOUSEHOLD INCOME
Housing unit with a mortgage
68,954
64,313
73,595
Less than 20 percent
27,621
23,869
31,373
20.0 to 24.9 percent
14,440
11,526
17,354
25.0 to 29.9 percent
11,750
9,171
14,329
30.0 to 34.9 percent
4,102
2,279
5,925
35.0 percent or more
11,041
8,028
14,054
Not computed
0
0
350
Housing unit without a mortgage
22,606
18,993
26,220
Less than 10 percent
9,636
7,417
11,855
10.0 to 14.9 percent
4,563
2,918
6,208
15.0 to 19.9 percent
1,782
886
2,678
20.0 to 24.9 percent
2,291
1,106
3,476
25.0 to 29.9 percent
1,393
553
2,233
30.0 to 34.9 percent
1,128
366
1,890
35.0 percent or more
1,813
889
2,737
Not computed
0
0
350
 
Specified renter-occupied units
48,795
43,744
53,846
GROSS RENT
Less than $200
1,841
673
3,009
$200 to $299
1,186
0
2,376
$300 to $499
9,077
6,008
12,146
$500 to $749
21,024
17,232
24,816
$750 to $999
9,502
6,916
12,088
$1,000 to $1,499
2,760
1,075
4,445
$1,500 or more
1,345
160
2,530
No cash rent
2,060
314
3,806
Median (dollars)
620
594
646
 
GROSS RENT AS A PERCENTAGE OF HOUSEHOLD INCOME
Less than 15 percent
7,690
5,268
10,112
15.0 to 19.9 percent
8,610
5,430
11,790
20.0 to 24.9 percent
4,877
3,069
6,685
25.0 to 29.9 percent
4,990
2,843
7,137
30.0 to 34.9 percent
5,085
3,115
7,055
35.0 percent or more
14,075
10,546
17,604
Not computed
3,468
1,344
5,592

The 2001 Supplementary 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  |  Page Last Modified: August 23, 2007