Births by Age of Parents by County,
Oregon Residents, 1997-1999
CLACKAMAS COUNTY
| Total Births | Mother's Age |
| <15 | 15 | 16 | 17 | 18 | 19 | 20-24 | 25+ |
| Total | 12,351 | 15 | 45 | 102 | 225 | 312 | 479 | 2,802 | 8,371 |
| Father's Age | <15 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 15 | 5 | 0 | 2 | 1 | 0 | 1 | 1 | 0 | 0 |
| 16 | 23 | 0 | 6 | 6 | 7 | 2 | 2 | 0 | 0 |
| 17 | 40 | 1 | 3 | 6 | 13 | 10 | 1 | 6 | 0 |
| 18 | 111 | 1 | 6 | 13 | 19 | 27 | 25 | 19 | 1 |
| 19 | 193 | 2 | 3 | 13 | 32 | 42 | 48 | 52 | 1 |
| 20 | 261 | 0 | 3 | 6 | 27 | 56 | 53 | 110 | 6 |
| 21 | 320 | 2 | 1 | 6 | 13 | 33 | 70 | 168 | 27 |
| 22 | 414 | 1 | 1 | 5 | 21 | 26 | 51 | 280 | 29 |
| 23 | 431 | 0 | 0 | 3 | 3 | 11 | 41 | 310 | 63 |
| 24 | 463 | 0 | 1 | 2 | 3 | 7 | 23 | 313 | 114 |
| 25+ | 9,115 | 0 | 1 | 3 | 17 | 32 | 66 | 1,230 | 7,766 |
| N.S. | 974 | 8 | 18 | 37 | 70 | 65 | 98 | 314 | 364 |