Births by Age of Parents by County,
Oregon Residents, 1996-98
YAMHILL COUNTY
| Total Births | Mother's Age |
| <15 | 15 | 16 | 17 | 18 | 19 | 20-24 | 25+ | N.S. |
| Total | 3307 | 5 | 23 | 58 | 104 | 119 | 174 | 926 | 1897 | 1 |
| Father's Age | <15 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 16 | 8 | 1 | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 |
| 17 | 23 | 0 | 3 | 8 | 3 | 5 | 0 | 3 | 1 | 0 |
| 18 | 51 | 0 | 1 | 7 | 13 | 9 | 9 | 12 | 0 | 0 |
| 19 | 74 | 0 | 3 | 6 | 13 | 17 | 19 | 15 | 1 | 0 |
| 20 | 94 | 0 | 0 | 4 | 14 | 12 | 19 | 43 | 2 | 0 |
| 21 | 100 | 0 | 0 | 2 | 7 | 8 | 16 | 63 | 4 | 0 |
| 22 | 119 | 0 | 1 | 1 | 6 | 10 | 16 | 77 | 8 | 0 |
| 23 | 125 | 0 | 0 | 1 | 4 | 8 | 15 | 81 | 16 | 0 |
| 24 | 184 | 0 | 0 | 1 | 2 | 4 | 9 | 121 | 47 | 0 |
| 25+ | 2152 | 0 | 1 | 0 | 6 | 14 | 36 | 390 | 1705 | 0 |
| N.S. | 376 | 3 | 12 | 25 | 34 | 32 | 35 | 121 | 113 | 1 |