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Census 2000 Supplementary Survey Profile
Middlesex County
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TABLE 4. PROFILE OF SELECTED HOUSING CHARACTERISTICS
  Estimate Lower
Bound
Upper
Bound
Total housing units
273,637
*****
*****
UNITS IN STRUCTURE
1-unit, detached
153,298
145,845
160,751
1-unit, attached
30,933
26,016
35,850
2 units
16,287
12,868
19,706
3 or 4 units
10,950
7,488
14,412
5 to 9 units
18,901
14,362
23,440
10 to 19 units
23,403
18,300
28,506
20 or more units
17,517
13,803
21,231
Mobile home
1,774
809
2,739
Boat, RV, van, etc.
574
0
1,488
 
YEAR STRUCTURE BUILT
1999 or later
5,718
2,817
8,619
1995 to 1998
12,034
8,977
15,091
1990 to 1994
16,465
12,051
20,879
1980 to 1989
56,742
49,944
63,540
1970 to 1979
36,360
31,427
41,294
1960 to 1969
45,928
40,506
51,350
1950 to 1959
44,269
38,834
49,704
1940 to 1949
17,539
14,001
21,077
1939 or earlier
38,582
33,328
43,836
 
ROOMS
1 room
5,020
2,720
7,320
2 rooms
10,211
7,564
12,858
3 rooms
26,993
22,165
31,821
4 rooms
40,886
34,809
46,963
5 rooms
55,120
48,688
61,552
6 rooms
43,996
38,280
49,712
7 rooms
38,301
33,163
43,439
8 rooms
29,647
24,854
34,440
9 rooms or more
23,463
19,209
27,717
Median (rooms)
5.5
5.3
5.7
 
Occupied housing units
261,173
256,906
265,440
YEAR HOUSEHOLDER MOVED INTO UNIT
2000
19,689
15,006
24,372
1995 to 1999
102,501
94,870
110,132
1990 to 1994
34,322
28,763
39,881
1980 to 1989
43,904
38,388
49,420
1970 to 1979
26,160
21,784
30,536
1969 or earlier
34,597
30,449
38,745
 
VEHICLES AVAILABLE
No vehicles available
19,623
14,579
24,667
1
89,160
81,872
96,448
2
110,915
102,913
118,918
3 or more
41,475
36,329
46,621
 
HOUSE HEATING FUEL
Utility gas
204,165
197,139
211,191
Bottled, tank, or LP gas
3,832
2,157
5,507
Electricity
23,755
19,018
28,492
Fuel oil, kerosene, etc.
27,918
23,879
31,957
Coal or coke
0
0
543
Wood
204
0
542
Solar energy
0
0
543
Other fuel
910
0
1,925
No fuel used
389
0
843
 
SELECTED CHARACTERISTICS
Lacking complete plumbing facilities
343
0
747
Lacking complete kitchen facilities
392
0
880
No telephone service available
2,275
213
4,338
 
OCCUPANTS PER ROOM
1.00 or less
250,990
245,885
256,095
1.01 to 1.50
5,888
3,131
8,645
1.51 or more
4,295
2,614
5,976
 
Specified owner-occupied units
159,814
152,402
167,226
VALUE
Less than $50,000
1,350
347
2,353
$50,000 to $99,999
9,257
6,142
12,372
$100,000 to $149,999
42,551
37,646
47,456
$150,000 to $199,999
51,700
46,460
56,940
$200,000 to $299,999
38,627
33,085
44,169
$300,000 to $499,999
14,377
11,278
17,476
$500,000 to $999,999
1,952
1,112
2,792
$1,000,000 or more
0
0
543
Median (dollars)
172,022
167,897
176,147
 
MORTGAGE STATUS AND SELECTED MONTHLY OWNER COSTS
Housing units with a mortgage
108,107
102,144
114,070
Less than $300
181
0
481
$300 to $499
1,940
945
2,935
$500 to $699
2,508
1,287
3,729
$700 to $999
8,733
6,519
10,947
$1,000 to $1,499
36,346
31,376
41,316
$1,500 to $1,999
32,574
27,741
37,407
$2,000 or more
25,825
22,401
29,249
Median (dollars)
1,556
1,503
1,609
Housing units without a mortgage
51,707
45,927
57,487
Less than $100
0
0
543
$100 to $199
725
0
1,453
$200 to $299
805
201
1,409
$300 to $399
4,531
2,698
6,364
$400 or more
45,646
40,181
51,111
Median (dollars)
545
527
563
 
SELECTED MONTHLY OWNER COSTS AS A PERCENTAGE OF HOUSEHOLD INCOME
Housing unit with a mortgage
108,107
102,144
114,070
Less than 20 percent
40,668
36,302
45,034
20.0 to 24.9 percent
22,129
18,052
26,206
25.0 to 29.9 percent
11,631
8,623
14,639
30.0 to 34.9 percent
10,580
7,872
13,288
35.0 percent or more
23,099
18,619
27,579
Not computed
0
0
543
Housing unit without a mortgage
51,707
45,927
57,487
Less than 10 percent
16,001
12,670
19,332
10.0 to 14.9 percent
10,938
8,202
13,674
15.0 to 19.9 percent
5,832
3,327
8,337
20.0 to 24.9 percent
4,167
2,119
6,215
25.0 to 29.9 percent
2,738
1,436
4,040
30.0 to 34.9 percent
952
327
1,577
35.0 percent or more
9,736
6,934
12,538
Not computed
1,343
205
2,482
 
Specified renter-occupied units
83,027
76,239
89,815
GROSS RENT
Less than $200
1,267
237
2,297
$200 to $299
537
6
1,068
$300 to $499
2,634
1,053
4,215
$500 to $749
18,888
15,091
22,685
$750 to $999
33,332
28,455
38,209
$1,000 to $1,499
21,477
17,339
25,615
$1,500 or more
2,736
1,185
4,287
No cash rent
2,156
483
3,829
Median (dollars)
862
837
887
 
GROSS RENT AS A PERCENTAGE OF HOUSEHOLD INCOME
Less than 15 percent
20,377
15,861
24,893
15.0 to 19.9 percent
12,867
9,737
15,997
20.0 to 24.9 percent
9,785
7,100
12,470
25.0 to 29.9 percent
9,745
5,976
13,514
30.0 to 34.9 percent
5,341
3,183
7,499
35.0 percent or more
20,932
15,830
26,034
Not computed
3,980
1,439
6,521

The Census 2000 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