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 Multnomah 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
661,125
*****
*****
SEX AND AGE
Male
327,674
327,066
328,282
Female
333,451
332,843
334,059
Under 5 years
44,426
44,184
44,668
5 to 9 years
42,441
40,050
44,832
10 to 14 years
41,467
39,135
43,799
15 to 19 years
35,714
34,785
36,643
20 to 24 years
42,309
41,392
43,226
25 to 34 years
117,679
117,004
118,354
35 to 44 years
105,828
105,186
106,470
45 to 54 years
102,198
101,619
102,777
55 to 59 years
35,385
33,447
37,323
60 to 64 years
25,950
24,098
27,802
65 to 74 years
32,372
31,839
32,905
75 to 84 years
26,319
25,011
27,627
85 years and over
9,037
7,891
10,183
 
Median age (years)
35.6
35.4
35.8
 
18 years and over
509,997
*****
*****
21 years and over
490,491
488,904
492,078
62 years and over
81,573
80,078
83,068
65 years and over
67,728
67,178
68,278
Male
27,150
26,773
27,527
Female
40,578
40,187
40,969
 
RACE
One race
635,822
632,700
638,944
White
526,899
523,486
530,312
Black or African American
38,852
37,195
40,509
American Indian and Alaska Native
5,482
4,222
6,742
Asian
41,397
39,608
43,186
Asian Indian
2,669
1,574
3,764
Chinese (except Taiwanese)
9,428
7,446
11,410
Filipino
4,295
3,180
5,410
Japanese
2,852
1,877
3,827
Korean
2,425
1,383
3,467
Vietnamese
12,133
9,918
14,348
Other Asian
7,595
4,977
10,213
Native Hawaiian and Other Pacific Islander
2,237
1,759
2,715
Native Hawaiian
477
49
905
Guamanian or Chamorro
124
0
342
Samoan
245
0
596
Other Pacific Islander
1,391
627
2,155
Some other race
20,955
17,608
24,302
Two or more races
25,303
22,181
28,425
Two races including Some other race
2,539
1,595
3,483
Two races excluding Some other race, and Three or more races
22,764
19,839
25,689
 
Race alone or in combination with one or more other races:
White
549,537
545,659
553,415
Black or African American
45,684
44,601
46,767
American Indian and Alaska Native
14,367
12,925
15,809
Asian
49,462
48,829
50,095
Native Hawaiian and Other Pacific Islander
4,374
3,555
5,193
Some other race
23,832
20,520
27,144
 
HISPANIC ORIGIN AND RACE
Total population
661,125
*****
*****
Hispanic or Latino (of any race)
59,390
*****
*****
Mexican
46,069
43,337
48,801
Puerto Rican
1,363
726
2,000
Cuban
2,883
1,523
4,243
Other Hispanic or Latino
9,075
6,627
11,523
Not Hispanic or Latino
601,735
*****
*****
White alone
494,637
493,538
495,736
Black or African American alone
38,001
36,334
39,668
American Indian or Alaska Native alone
4,703
3,655
5,751
Asian alone
40,920
39,138
42,702
Native Hawaiian and Other Pacific Islander alone
2,193
1,722
2,664
Some other race alone
1,628
516
2,740
Two or more races:
19,653
17,043
22,263
Two races including Some other race
354
22
686
Two races excluding Some other race, and Three or more races
19,299
16,718
21,880
 
RELATIONSHIP
Household population
661,125
*****
*****
Householder
289,996
286,508
293,484
Spouse
115,793
112,540
119,046
Child
166,428
163,271
169,585
Other relatives
31,745
27,809
35,681
Nonrelatives
57,163
52,811
61,515
Unmarried partner
24,288
21,822
26,754
 
HOUSEHOLDS BY TYPE
Total households
275,491
273,252
277,730
Family households (families)
149,569
146,193
152,945
With own children under 18 years
70,714
67,792
73,636
Married-couple families
108,656
104,843
112,469
With own children under 18 years
45,868
42,973
48,763
Female householder, no husband present
29,995
27,912
32,078
With own children under 18 years
18,656
17,014
20,298
Nonfamily households
125,922
122,642
129,202
Householder living alone
95,044
91,877
98,211
65 years and over
23,049
21,706
24,392
 
Households with one or more people under 18 years
77,028
74,098
79,958
Households with one or more people 65 years and over
49,862
48,383
51,341
 
Average household size
2.40
2.38
2.42
Average family size
3.16
3.11
3.21
 
HOUSING OCCUPANCY
Total housing units
295,031
*****
*****
Occupied housing units
275,491
273,252
277,730
Vacant housing units
19,540
17,301
21,779
 
Homeowner vacancy rate (percent)
0.9
0.5
1.2
Rental vacancy rate (percent)
7.1
5.5
8.6
 
HOUSING TENURE
Occupied housing units
275,491
273,252
277,730
Owner-occupied
155,028
151,464
158,592
Renter-occupied
120,463
116,537
124,389
 
Average household size of owner-occupied unit
2.54
2.50
2.58
Average household size of renter-occupied unit
2.22
2.16
2.28
 
Profile Navigation
  
Viewing 2003 Profile for
Multnomah 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