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 Contra Costa County
Note: The 2003 American Community Survey universe is limited to the household population and excludes the population living in institutions, college dormitories, and other group quarters.
TABLE 4. SELECTED HOUSING CHARACTERISTICS
  Estimate Lower
Bound
Upper
Bound
Total housing units
371,177
*****
*****
UNITS IN STRUCTURE
1-unit, detached
246,461
238,476
254,446
1-unit, attached
29,804
25,293
34,315
2 units
7,502
4,513
10,491
3 or 4 units
23,497
18,937
28,057
5 to 9 units
16,673
12,080
21,266
10 to 19 units
11,980
8,240
15,720
20 or more units
27,806
23,227
32,385
Mobile home
7,454
5,023
9,885
Boat, RV, van, etc.
0
0
545
 
YEAR STRUCTURE BUILT
2000 or later
17,171
14,332
20,010
1995 to 1999
25,119
20,487
29,751
1990 to 1994
31,226
26,130
36,322
1980 to 1989
62,124
55,811
68,437
1970 to 1979
83,118
75,709
90,527
1960 to 1969
55,588
49,844
61,332
1950 to 1959
54,570
48,123
61,017
1940 to 1949
26,460
21,617
31,303
1939 or earlier
15,801
12,256
19,346
 
ROOMS
1 room
6,586
4,465
8,707
2 rooms
9,411
6,811
12,011
3 rooms
35,387
29,694
41,080
4 rooms
60,115
53,275
66,955
5 rooms
71,315
63,714
78,916
6 rooms
73,879
67,082
80,676
7 rooms
55,615
49,358
61,872
8 rooms
34,721
30,098
39,344
9 rooms or more
24,148
20,461
27,835
Median (rooms)
5.5
5.3
5.7
 
Occupied housing units
348,449
343,603
353,295
YEAR HOUSEHOLDER MOVED INTO UNIT
2000 or later
136,368
128,962
143,774
1995 to 1999
78,085
71,297
84,873
1990 to 1994
36,785
30,991
42,579
1980 to 1989
42,355
37,578
47,132
1970 to 1979
33,047
27,916
38,178
1969 or earlier
21,809
18,443
25,175
 
VEHICLES AVAILABLE
No vehicles available
20,480
16,061
24,899
1
104,389
94,859
113,919
2
139,846
130,933
148,759
3 or more
83,734
76,518
90,950
 
HOUSE HEATING FUEL
Utility gas
252,340
244,175
260,505
Bottled, tank, or LP gas
4,517
2,767
6,267
Electricity
88,218
79,791
96,645
Fuel oil, kerosene, etc.
245
0
628
Coal or coke
0
0
545
Wood
1,741
858
2,624
Solar energy
0
0
545
Other fuel
785
0
1,827
No fuel used
603
0
1,373
 
SELECTED CHARACTERISTICS
Lacking complete plumbing facilities
1,797
493
3,101
Lacking complete kitchen facilities
1,693
287
3,099
No telephone service available
5,696
2,893
8,499
 
OCCUPANTS PER ROOM
1.00 or less
329,945
323,575
336,315
1.01 to 1.50
11,225
7,989
14,461
1.51 or more
7,279
4,403
10,155
 
Specified owner-occupied units
220,478
212,436
228,520
VALUE
Less than $50,000
1,781
567
2,995
$50,000 to $99,999
2,301
1,157
3,445
$100,000 to $149,999
2,147
807
3,487
$150,000 to $199,999
6,514
4,449
8,579
$200,000 to $299,999
33,358
28,432
38,284
$300,000 to $499,999
92,048
84,477
99,619
$500,000 to $999,999
70,859
65,406
76,312
$1,000,000 or more
11,470
8,887
14,053
Median (dollars)
430,312
416,366
444,258
 
MORTGAGE STATUS AND SELECTED MONTHLY OWNER COSTS
Housing units with a mortgage
172,574
164,749
180,399
Less than $300
145
0
393
$300 to $499
661
0
1,502
$500 to $699
5,203
3,344
7,062
$700 to $999
9,735
6,839
12,631
$1,000 to $1,499
28,711
23,923
33,499
$1,500 to $1,999
37,237
31,065
43,409
$2,000 or more
90,882
83,680
98,084
Median (dollars)
2,066
1,979
2,153
Housing units without a mortgage
47,904
43,269
52,539
Less than $100
169
0
456
$100 to $199
3,932
2,536
5,328
$200 to $299
10,587
8,008
13,166
$300 to $399
9,430
7,061
11,799
$400 or more
23,786
19,741
27,831
Median (dollars)
399
369
429
 
SELECTED MONTHLY OWNER COSTS AS A PERCENTAGE OF HOUSEHOLD INCOME
Housing unit with a mortgage
172,574
164,749
180,399
Less than 20 percent
47,854
41,444
54,264
20.0 to 24.9 percent
28,148
23,589
32,707
25.0 to 29.9 percent
24,147
20,206
28,088
30.0 to 34.9 percent
19,338
15,380
23,296
35.0 percent or more
52,901
47,015
58,787
Not computed
186
0
497
Housing unit without a mortgage
47,904
43,269
52,539
Less than 10 percent
27,032
23,121
30,943
10.0 to 14.9 percent
10,695
7,666
13,724
15.0 to 19.9 percent
3,498
1,957
5,039
20.0 to 24.9 percent
2,040
899
3,181
25.0 to 29.9 percent
1,635
728
2,542
30.0 to 34.9 percent
739
195
1,283
35.0 percent or more
1,857
963
2,751
Not computed
408
0
886
 
Specified renter-occupied units
103,980
97,137
110,823
GROSS RENT
Less than $200
1,804
424
3,184
$200 to $299
4,008
1,888
6,128
$300 to $499
5,113
2,149
8,077
$500 to $749
4,512
2,788
6,236
$750 to $999
22,332
17,923
26,741
$1,000 to $1,499
40,723
35,156
46,290
$1,500 or more
22,590
17,731
27,449
No cash rent
2,898
1,558
4,238
Median (dollars)
1,119
1,075
1,163
 
GROSS RENT AS A PERCENTAGE OF HOUSEHOLD INCOME
Less than 15 percent
12,539
9,000
16,078
15.0 to 19.9 percent
11,712
8,531
14,893
20.0 to 24.9 percent
13,987
10,249
17,725
25.0 to 29.9 percent
13,886
9,589
18,183
30.0 to 34.9 percent
10,455
7,141
13,769
35.0 percent or more
38,127
32,354
43,900
Not computed
3,274
1,860
4,688
Profile Navigation
  
Viewing 2003 Profile for
Contra Costa County
  Demographic - Table 1
  Social - Table 2
  Economic - Table 3
  Housing - Table 4
  Narrative

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See footnotes below.

Footnotes

The 2003 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.

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Source: U.S. Census Bureau  |  American Community Survey Office  |  Page Last Modified: August 24, 2007