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 Boulder 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 1. GENERAL DEMOGRAPHIC CHARACTERISTICS
  Estimate Lower
Bound
Upper
Bound
Total population
269,725
*****
*****
SEX AND AGE
Male
141,388
138,728
144,048
Female
128,337
125,677
130,997
Under 5 years
16,994
15,900
18,088
5 to 9 years
18,872
15,848
21,896
10 to 14 years
16,023
13,143
18,903
15 to 19 years
13,325
11,761
14,889
20 to 24 years
22,163
20,214
24,112
25 to 34 years
51,464
47,387
55,541
35 to 44 years
43,433
41,401
45,465
45 to 54 years
41,790
40,237
43,343
55 to 59 years
14,656
12,618
16,694
60 to 64 years
8,549
6,557
10,541
65 to 74 years
12,465
11,037
13,893
75 to 84 years
8,470
7,011
9,929
85 years and over
1,521
562
2,480
 
Median age (years)
34.3
33.8
34.8
 
18 years and over
208,966
206,455
211,477
21 years and over
202,459
199,345
205,573
62 years and over
27,165
24,009
30,321
65 years and over
22,456
20,271
24,641
Male
10,024
8,555
11,493
Female
12,432
11,434
13,430
 
RACE
One race
266,221
264,204
268,238
White
236,862
232,340
241,384
Black or African American
3,261
21
6,501
American Indian and Alaska Native
1,193
127
2,259
Asian
10,114
6,738
13,490
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
0
0
547
Native Hawaiian
N
N
N
Guamanian or Chamorro
N
N
N
Samoan
N
N
N
Other Pacific Islander
N
N
N
Some other race
14,791
10,184
19,398
Two or more races
3,504
1,487
5,521
Two races including Some other race
702
0
1,471
Two races excluding Some other race, and Three or more races
2,802
865
4,739
 
Race alone or in combination with one or more other races:
White
240,366
235,610
245,122
Black or African American
3,410
122
6,698
American Indian and Alaska Native
3,338
1,070
5,606
Asian
10,771
7,349
14,193
Native Hawaiian and Other Pacific Islander
0
0
547
Some other race
15,493
11,013
19,973
 
HISPANIC ORIGIN AND RACE
Total population
269,725
*****
*****
Hispanic or Latino (of any race)
32,128
*****
*****
Mexican
24,626
21,554
27,698
Puerto Rican
1,273
251
2,295
Cuban
1,039
0
2,165
Other Hispanic or Latino
5,190
2,412
7,968
Not Hispanic or Latino
237,597
*****
*****
White alone
220,080
218,589
221,571
Black or African American alone
3,080
0
6,276
American Indian or Alaska Native alone
805
4
1,606
Asian alone
10,114
6,738
13,490
Native Hawaiian and Other Pacific Islander alone
0
0
547
Some other race alone
865
0
2,356
Two or more races:
2,653
723
4,583
Two races including Some other race
0
0
547
Two races excluding Some other race, and Three or more races
2,653
723
4,583
 
RELATIONSHIP
Household population
269,725
*****
*****
Householder
116,984
112,641
121,327
Spouse
56,787
52,674
60,900
Child
68,657
64,737
72,577
Other relatives
7,172
4,436
9,908
Nonrelatives
20,125
16,510
23,740
Unmarried partner
8,342
5,356
11,328
 
HOUSEHOLDS BY TYPE
Total households
106,795
103,447
110,143
Family households (families)
65,382
60,644
70,120
With own children under 18 years
34,173
30,546
37,800
Married-couple families
52,728
48,284
57,172
With own children under 18 years
24,754
21,451
28,057
Female householder, no husband present
8,649
6,026
11,272
With own children under 18 years
6,271
3,965
8,577
Nonfamily households
41,413
37,275
45,551
Householder living alone
29,788
25,864
33,712
65 years and over
5,292
3,993
6,591
 
Households with one or more people under 18 years
34,537
30,894
38,180
Households with one or more people 65 years and over
14,945
13,330
16,560
 
Average household size
2.53
2.45
2.61
Average family size
3.16
3.00
3.32
 
HOUSING OCCUPANCY
Total housing units
118,413
*****
*****
Occupied housing units
106,795
103,447
110,143
Vacant housing units
11,618
8,270
14,966
 
Homeowner vacancy rate (percent)
3.1
0.4
5.8
Rental vacancy rate (percent)
14.0
8.0
20.0
 
HOUSING TENURE
Occupied housing units
106,795
103,447
110,143
Owner-occupied
70,749
66,055
75,443
Renter-occupied
36,046
31,867
40,225
 
Average household size of owner-occupied unit
2.77
2.63
2.91
Average household size of renter-occupied unit
2.05
1.87
2.23
 
Profile Navigation
  
Viewing 2003 Profile for
Boulder 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.

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.

For more information on understanding race and Hispanic origin data, please see the Census 2000 Brief entitled, Overview of Race and Hispanic Origin, issued March 2001. (pdf format)

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