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2001 Supplementary Survey Profile
Jefferson County
Supplementary Survey 2001 Logo

TABLE 1. PROFILE OF GENERAL DEMOGRAPHIC CHARACTERISTICS
  Estimate Lower
Bound
Upper
Bound
Total population
680,114
*****
*****
SEX AND AGE
Male
325,062
322,640
327,484
Female
355,052
352,630
357,474
Under 5 years
47,342
46,525
48,159
5 to 9 years
50,616
46,328
54,904
10 to 14 years
42,830
38,260
47,401
15 to 19 years
42,568
40,152
44,984
20 to 24 years
41,497
39,441
43,553
25 to 34 years
96,663
93,708
99,618
35 to 44 years
107,186
106,102
108,270
45 to 54 years
101,107
99,601
102,613
55 to 59 years
29,560
26,085
33,035
60 to 64 years
32,216
28,895
35,537
65 to 74 years
47,994
46,799
49,189
75 to 84 years
31,370
29,088
33,652
85 years and over
9,165
7,126
11,204
 
Median age (years)
36.9
36.6
37.2
 
18 years and over
511,707
510,168
513,246
21 years and over
490,626
487,199
494,053
62 years and over
105,822
102,753
108,891
65 years and over
88,529
87,348
89,710
Male
35,167
34,629
35,705
Female
53,362
52,108
54,616
 
RACE
One race
664,410
659,356
669,464
White
518,551
515,551
521,551
Black or African American
125,837
121,276
130,398
American Indian and Alaska Native
1,119
287
1,951
Asian
9,490
6,908
12,072
Asian Indian
N
N
N
Chinese (except Taiwanese)
N
N
N
Filipino
N
N
N
Japanese
N
N
N
Korean
N
N
N
Vietnamese
N
N
N
Other Asian
N
N
N
Native Hawaiian and Other Pacific Islander
648
0
1,755
Native Hawaiian
N
N
N
Guamanian or Chamorro
N
N
N
Samoan
N
N
N
Other Pacific Islander
N
N
N
Some other race
8,765
6,082
11,448
Two or more races
15,704
10,650
20,758
Two races including Some other race
2,782
1,079
4,485
Two races excluding Some other race, and Three or more races
12,922
8,380
17,464
 
Race alone or in combination with one or more other races:
White
529,107
524,429
533,785
Black or African American
134,654
132,773
136,535
American Indian and Alaska Native
6,629
3,798
9,460
Asian
12,314
11,473
13,156
Native Hawaiian and Other Pacific Islander
1,756
0
3,675
Some other race
11,547
8,270
14,824
 
HISPANIC ORIGIN AND RACE
Total population
680,114
*****
*****
Hispanic or Latino (of any race)
12,640
*****
*****
Mexican
7,443
5,390
9,496
Puerto Rican
1,180
83
2,277
Cuban
218
0
588
Other Hispanic or Latino
3,799
1,842
5,756
Not Hispanic or Latino
667,474
*****
*****
White alone
515,503
513,645
517,361
Black or African American alone
125,141
120,848
129,434
American Indian or Alaska Native alone
1,119
287
1,951
Asian alone
9,075
6,854
11,296
Native Hawaiian and Other Pacific Islander alone
648
0
1,755
Some other race alone
1,783
306
3,260
Two or more races:
14,205
9,394
19,016
Two races including Some other race
1,283
0
2,686
Two races excluding Some other race, and Three or more races
12,922
8,380
17,464
 
RELATIONSHIP
Household population
680,114
*****
*****
Householder
292,921
286,478
299,364
Spouse
134,909
128,050
141,768
Child
185,091
176,150
194,032
Other relatives
36,644
29,259
44,029
Nonrelatives
30,549
24,842
36,256
Unmarried partner
10,621
7,725
13,517
 
HOUSEHOLDS BY TYPE
Total households
289,280
284,309
294,251
Family households (families)
187,680
180,059
195,301
With own children under 18 years
80,858
75,152
86,564
Married-couple families
133,234
125,156
141,312
With own children under 18 years
51,889
46,101
57,677
Female householder, no husband present
42,313
36,358
48,268
With own children under 18 years
23,062
18,594
27,530
Nonfamily households
101,600
94,253
108,947
Householder living alone
85,019
78,068
91,970
65 years and over
28,441
24,890
31,992
 
Households with one or more people under 18 years
93,614
88,024
99,204
Households with one or more people 65 years and over
66,505
63,680
69,330
 
Average household size
2.35
2.30
2.40
Average family size
2.92
2.84
3.00
 
HOUSING OCCUPANCY
Total housing units
309,510
*****
*****
Occupied housing units
289,280
284,309
294,251
Vacant housing units
20,230
15,259
25,201
 
Homeowner vacancy rate (percent)
0.7
0.0
1.4
Rental vacancy rate (percent)
12.8
9.2
16.4
 
HOUSING TENURE
Occupied housing units
289,280
284,309
294,251
Owner-occupied
184,680
178,148
191,212
Renter-occupied
104,600
97,477
111,723
 
Average household size of owner-occupied unit
2.48
2.40
2.56
Average household size of renter-occupied unit
2.12
2.02
2.22
 

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.

The number of householders does not necessarily equal the number of households because of differences in the weighting schemes for the population and occupied housing units.

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