Numbers in thousands. Civilian non-institutionalized population
| Age Category | Count (All) | Pct. (All) | Count (Male) | Pct. (Male) | Count (Female) | Pct. (Female) |
|---|---|---|---|---|---|---|
| All ages | 304,280 | 100 | 149,485 | 100 | 154,795 | 100 |
| Under 5 years | 21,434 | .07 | 10,955 | 7.33 | 10,479 | 6.77 |
| 5 to 9 years | 20,785 | 6.83 | 10,624 | 7.11 | 10,162 | 6.56 |
| 10 to 14 years | 19,893 | 6.54 | 10,178 | 6.81 | 9,714 | 6.28 |
| 15 to 19 years | 21,086 | 6.93 | 10,719 | 7.17 | 10,367 | 6.7 |
| 20 to 24 years | 21,154 | 6.95 | 10,684 | 7.15 | 10,470 | 6.76 |
| 25 to 29 years | 21,453 | 7.05 | 10,928 | 7.31 | 10,525 | 6.8 |
| 30 to 34 years | 19,632 | 6.45 | 9,761 | 6.53 | 9,871 | 6.38 |
| 35 to 39 years | 19,888 | 6.54 | 9,902 | 6.62 | 9,986 | 6.45 |
| 40 to 44 years | 20,559 | 6.76 | 10,172 | 6.8 | 10,387 | 6.71 |
| 45 to 49 years | 22,527 | 7.4 | 11,092 | 7.42 | 11,435 | 7.39 |
| 50 to 54 years | 21,860 | 7.18 | 10,692 | 7.15 | 11,169 | 7.22 |
| 55 to 59 years | 19,172 | 6.3 | 9,318 | 6.23 | 9,854 | 6.37 |
| 60 to 64 years | 16,223 | 5.33 | 7,667 | 5.13 | 8,556 | 5.53 |
| 65 to 69 years | 12,020 | 3.95 | 5,672 | 3.79 | 6,349 | 4.1 |
| 70 to 74 years | 8,936 | 2.94 | 4,063 | 2.72 | 4,873 | 3.15 |
| 75 to 79 years | 7,181 | 2.36 | 3,020 | 2.02 | 4,161 | 2.69 |
| 80 to 84 years | 5,783 | 1.9 | 2,408 | 1.61 | 3,375 | 2.18 |
| 85 years and over | 4,693 | 1.54 | 1,631 | 1.09 | 3,062 | 1.98 |