| Population
by Age |
1980 |
1990 |
2000 |
Change
1980-1990 |
Change
1990-2000 |
| |
Number |
Percent |
Number |
Percent |
Number |
Percent |
Number |
Percent |
Number |
Percent |
| Total
Population |
440,372 |
100.0 |
516,418 |
100.0 |
644,356 |
100.0 |
76,046 |
17.3 |
127,938 |
24.8 |
| Under 5 yrs. |
33,744 |
7.7 |
43,910 |
8.5 |
52,978 |
8.2 |
10,166 |
30.1 |
9,068 |
20.7 |
| 5 to 9 yrs. |
34,257 |
7.8 |
40,942 |
7.9 |
55,785 |
8.7 |
6,685 |
19.5 |
14,843 |
36.3 |
| 10 to 14 yrs. |
38,887 |
8.8 |
37,082 |
7.2 |
51,861 |
8.0 |
-1,805 |
-4.6 |
14,779 |
39.9 |
| 15 to 19 yrs. |
48,747 |
11.1 |
39,632 |
7.7 |
48,500 |
7.5 |
-9,115 |
-18.7 |
8,868 |
22.4 |
| 20 to 24 yrs. |
39,454 |
9.0 |
36,377 |
7.0 |
37,733 |
5.9 |
-3,077 |
-7.8 |
1,356 |
3.7 |
| 25 to 29 yrs. |
37,645 |
8.5 |
43,499 |
8.4 |
39,418 |
6.1 |
5,854 |
15.6 |
-4,081 |
-9.4 |
| 30 to 34 yrs. |
37,671 |
8.6 |
49,583 |
9.6 |
48,565 |
7.5 |
11,912 |
31.6 |
-1,018 |
-2.1 |
| 35 to 44 yrs. |
57,025 |
12.9 |
87,420 |
16.9 |
115,530 |
17.9 |
30,395 |
53.3 |
28,110 |
32.2 |
| 45 to 54 yrs. |
46,044 |
10.5 |
56,129 |
10.9 |
89,642 |
13.9 |
10,085 |
21.9 |
33,513 |
59.7 |
| 55 to 59 yrs. |
19,769 |
4.5 |
20,085 |
3.9 |
28,964 |
4.5 |
316 |
1.6 |
8,879 |
44.2 |
| 60 to 64 yrs. |
15,426 |
3.5 |
18,606 |
3.6 |
20,391 |
3.2 |
3,180 |
20.6 |
1,785 |
9.6 |
| 65 to 74 yrs. |
19,654 |
4.5 |
26,292 |
5.1 |
30,625 |
4.8 |
6,638 |
33.8 |
4,333 |
16.5 |
| 75 to 84 yrs. |
9,453 |
2.1 |
12,748 |
2.5 |
18,323 |
2.8 |
3,295 |
34.9 |
5,575 |
43.7 |
| 85 yrs & over |
2,596 |
0.6 |
4,113 |
0.8 |
6,041 |
0.9 |
1,517 |
58.4 |
1,928 |
46.9 |
| Median Age |
28.4 |
|
31.7 |
|
33.8 |
|
|
|
|
|
SOURCE: U.S. Census Bureau, 2000.
|
