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 Contra Costa County
Data followed by an * indicates a Significant Difference at the 90 percent level between that data and the data from the most current year.  Data followed by a "c" indicates the estimate for that year and the current year are both controlled; a statistical test is not appropriate.
TABLE 4. SELECTED HOUSING CHARACTERISTICS
  2003
Estimate		 2002
Estimate		 2001
Estimate		 2000
Estimate
Total housing units
371,177
365,661 c
360,999 c
354,577 c
UNITS IN STRUCTURE
1-unit, detached
66.40%
64.69%
65.21%
64.60%
1-unit, attached
8.03%
7.57%
6.14% *
7.53%
2 units
2.02%
3.42%
1.84%
3.21%
3 or 4 units
6.33%
3.70% *
5.55%
6.46%
5 to 9 units
4.49%
6.13%
6.59% *
5.07%
10 to 19 units
3.23%
5.45% *
4.33%
3.69%
20 or more units
7.49%
6.44%
7.14%
7.41%
Mobile home
2.01%
2.11%
3.13%
2.02%
Boat, RV, van, etc.
0.00%
0.49%
0.07%
0.00%
 
YEAR STRUCTURE BUILT
1995 or later
11.39%
9.28%
7.70% *
7.10% *
1990 to 1994
8.41%
9.45%
8.73%
7.19%
1980 to 1989
16.74%
19.83% *
18.67%
19.77% *
1970 to 1979
22.39%
18.05% *
20.84%
22.53%
1960 to 1969
14.98%
16.64%
17.42%
17.52% *
1950 to 1959
14.70%
15.71%
13.53%
14.79%
1940 to 1949
7.13%
6.94%
7.73%
6.14%
1939 or earlier
4.26%
4.10%
5.37%
4.95%
 
ROOMS
1 room
1.77%
1.99%
2.12%
1.66%
2 rooms
2.54%
4.22% *
3.95% *
4.17% *
3 rooms
9.53%
10.53%
9.63%
8.12%
4 rooms
16.20%
15.96%
16.56%
17.02%
5 rooms
19.21%
20.86%
18.18%
19.74%
6 rooms
19.90%
16.10% *
17.99%
17.81%
7 rooms
14.98%
14.91%
13.83%
14.40%
8 rooms
9.35%
8.81%
10.92%
10.29%
9 rooms or more
6.51%
6.63%
6.82%
6.79%
Median (rooms)
5.5
5.3
5.5
5.5
 
Occupied housing units
348,449
351,095
342,125
341,927 *
YEAR HOUSEHOLDER MOVED INTO UNIT
2000 or later
39.14%
30.74% *
20.38% *
7.63% *
1995 to 1999
22.41%
25.96% *
32.95% *
41.35% *
1990 to 1994
10.56%
12.93%
15.17% *
15.16% *
1980 to 1989
12.16%
14.45% *
15.41% *
17.27% *
1970 to 1979
9.48%
8.81%
8.08%
10.93%
1969 or earlier
6.26%
7.11%
8.00% *
7.66%
 
VEHICLES AVAILABLE
No vehicles available
5.88%
5.45%
4.55%
5.62%
1
29.96%
30.47%
29.57%
31.76%
2
40.13%
38.28%
40.12%
39.90%
3 or more
24.03%
25.80%
25.77%
22.72%
 
HOUSE HEATING FUEL
Utility gas
72.42%
72.26%
71.85%
74.26%
Bottled, tank, or LP gas
1.30%
1.65%
1.56%
2.08%
Electricity
25.32%
24.21%
23.78%
22.47%
Fuel oil, kerosene, etc.
0.07%
0.21%
0.06%
0.06%
Coal or coke
0.00%
0.00%
0.00%
0.00%
Wood
0.50%
0.35%
1.40% *
0.81%
Solar energy
0.00%
0.06%
0.00%
0.00%
Other fuel
0.23%
1.05% *
0.59%
0.19%
No fuel used
0.17%
0.20%
0.76% *
0.14%
 
SELECTED CHARACTERISTICS
Lacking complete plumbing facilities
0.52%
0.55%
0.21%
0.23%
Lacking complete kitchen facilities
0.49%
0.89%
0.41%
0.53%
No telephone service available
1.63%
1.07%
0.74%
0.65% *
 
OCCUPANTS PER ROOM
1.00 or less
94.69%
94.62%
94.15%
94.35%
1.01 to 1.50
3.22%
2.85%
3.39%
3.75%
1.51 or more
2.09%
2.53%
2.46%
1.89%
 
Specified owner-occupied units
220,478
221,427
212,764
206,242 *
VALUE
Less than $50,000
0.81%
0.57%
1.04%
0.97%
$50,000 to $99,999
1.04%
1.46%
0.93%
2.39% *
$100,000 to $149,999
0.97%
2.86% *
4.27% *
9.41% *
$150,000 to $199,999
2.95%
5.09% *
10.44% *
16.02% *
$200,000 to $299,999
15.13%
21.34% *
21.47% *
26.08% *
$300,000 to $499,999
41.75%
37.93%
36.53% *
26.07% *
$500,000 to $999,999
32.14%
25.91% *
21.04% *
17.74% *
$1,000,000 or more
5.20%
4.83%
4.28%
1.32% *
Median (in 2003 inflation-adjusted dollars)
430,312
388,966 *
369,334 *
298,508 *
 
MORTGAGE STATUS AND SELECTED MONTHLY OWNER COSTS (IN 2003 INFLATION-ADJUSTED DOLLARS)
Housing units with a mortgage
172,574
182,034
169,925
169,520
Less than $300
0.08%
0.37%
0.19%
0.23%
$300 to $499
0.38%
0.59%
0.98%
1.40% *
$500 to $699
3.01%
1.60% *
1.61% *
2.86%
$700 to $999
5.64%
8.08%
6.82%
8.41% *
$1,000 to $1,499
16.64%
17.72%
19.59%
24.53% *
$1,500 to $1,999
21.58%
21.90%
25.26%
20.53%
$2,000 or more
52.66%
49.74%
45.55% *
42.04% *
Median (in 2003 inflation-adjusted dollars)
2,066
1,994
1,925 *
1,819 *
Housing units without a mortgage
47,904
39,393 *
42,839
36,722 *
Less than $100
0.35%
0.00%
0.56%
0.00%
$100 to $199
8.21%
11.27%
5.87%
10.48%
$200 to $299
22.10%
25.36%
20.21%
28.60%
$300 to $399
19.69%
22.61%
22.07%
27.96%
$400 or more
49.65%
40.76%
51.29%
32.95% *
Median (in 2003 inflation-adjusted dollars)
399
362
407
334 *
 
SELECTED MONTHLY OWNER COSTS AS A PERCENTAGE OF HOUSEHOLD INCOME (IN 2003 INFLATION-ADJUSTED DOLLARS)
Housing unit with a mortgage
172,574
182,034
169,925
169,520
Less than 20 percent
27.76%
32.59%
33.27% *
31.64%
20.0 to 24.9 percent
16.33%
15.72%
15.23%
17.50%
25.0 to 29.9 percent
14.01%
11.31%
13.04%
16.91%
30.0 to 34.9 percent
11.22%
8.74%
9.57%
9.17%
35.0 percent or more
30.69%
31.64%
28.89%
24.78% *
Not computed
186
316
1,053
268
Housing unit without a mortgage
47,904
39,393 *
42,839
36,722 *
Less than 10 percent
56.91%
58.51%
62.78%
65.27% *
10.0 to 14.9 percent
22.52%
18.08%
14.60% *
15.22%
15.0 to 19.9 percent
7.36%
7.24%
7.88%
7.47%
20.0 to 24.9 percent
4.30%
8.45%
4.51%
2.22%
25.0 to 29.9 percent
3.44%
1.40%
2.46%
2.25%
30.0 to 34.9 percent
1.56%
2.04%
2.61%
3.11%
35.0 percent or more
3.91%
4.28%
5.17%
4.46%
Not computed
408
709
814
0
 
Specified renter-occupied units
103,980
103,220
101,399
105,257
GROSS RENT (IN 2003 INFLATION-ADJUSTED DOLLARS)
Less than $200
1.78%
0.16% *
2.90%
2.18%
$200 to $299
3.97%
3.35%
1.62%
2.73%
$300 to $499
5.06%
5.78%
4.67%
5.00%
$500 to $749
4.46%
10.27% *
13.51% *
13.18% *
$750 to $999
22.09%
21.84%
23.91%
33.06% *
$1,000 to $1,499
40.29%
40.65%
33.97%
29.38% *
$1,500 or more
22.35%
17.94%
19.42%
14.47% *
No cash rent
2,898
3,809
3,761
3,497
Median (in 2003 inflation-adjusted dollars)
1,119
1,083
1,041 *
964 *
 
GROSS RENT AS A PERCENTAGE OF HOUSEHOLD INCOME
Less than 15 percent
12.45%
11.49%
14.29%
15.51%
15.0 to 19.9 percent
11.63%
12.62%
15.92%
15.40%
20.0 to 24.9 percent
13.89%
11.09%
12.98%
14.20%
25.0 to 29.9 percent
13.79%
12.60%
13.26%
10.94%
30.0 to 34.9 percent
10.38%
9.20%
8.43%
10.21%
35.0 percent or more
37.86%
43.00%
35.12%
33.73%
Not computed
3,274
5,301
5,526
3,869
Profile Navigation
  
Viewing 2003 Multiyear Profile for Contra Costa County
  Demographic - Table 1
  Social - Table 2
  Economic - Table 3
  Housing - Table 4

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See footnotes below.

Footnotes

The profile 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.

For the characteristic Selected Monthly Owner Costs as a Percentage of Household Income, the percent distributions are calculated based on the total number of Specified Owner-Occupied Housing Units with a Mortgage and Specified Owner-Occupied Housing Units without a Mortgage minus the number of Specified Owner-Occupied Housing Units in the not computed category.

For the characteristic Gross Rent as a Percentage of Household Income, the percent distributions are calculated based on the total number of Specified Renter Occupied Units minus the number of units in the not computed category.

For the characteristic Gross Rent, the percent distributions and medians are calculated based on the total number of Specified Renter Occupied Units minus the number of units in the no cash rent category.

1. An '-' entry in an Estimate column indicates that no sample observations were available to compute an estimate.
2. An '-' following a median estimate means the median falls in the lowest interval of an open-ended distribution.
3. An '+' following a median estimate means the median falls in the upper interval of an open-ended distribution.
4. An 'N' entry in an Estimate column indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.

[Excel] or the letters [xls] indicate a document is in the Microsoft® Excel® Spreadsheet Format (XLS). To view the file, you will need the Microsoft® Excel® Viewer This link to a non-federal Web site does not imply endorsement of any particular product, company, or content. available for free from Microsoft®.
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Source: U.S. Census Bureau  |  American Community Survey Office  |  Page Last Modified: August 29, 2007