Births by Age of Parents by County,
Oregon Residents, Jefferson County, 2005-2007 | ? | Mother's Age |
| <15 | 15 | 16 | 17 | 18 | 19 | 20-24 | 25+ | N.S. | Total |
| Father's Age | Total | 4 | 9 | 21 | 34 | 41 | 62 | 320 | 504 | 1 | 996 |
| <15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 15 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 16 | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 5 |
| 17 | 0 | 0 | 1 | 4 | 3 | 0 | 3 | 0 | 0 | 11 |
| 18 | 0 | 1 | 3 | 7 | 4 | 3 | 3 | 1 | 0 | 22 |
| 19 | 0 | 0 | 2 | 4 | 9 | 3 | 14 | 4 | 0 | 36 |
| 20 | 0 | 3 | 3 | 2 | 4 | 13 | 16 | 2 | 0 | 43 |
| 21 | 0 | 0 | 0 | 2 | 3 | 3 | 19 | 7 | 0 | 34 |
| 22 | 0 | 0 | 0 | 2 | 3 | 3 | 22 | 4 | 0 | 34 |
| 23 | 0 | 0 | 0 | 3 | 1 | 6 | 26 | 11 | 0 | 47 |
| 24 | 0 | 0 | 2 | 0 | 0 | 4 | 24 | 11 | 0 | 41 |
| 25+ | 0 | 1 | 1 | 1 | 4 | 18 | 146 | 417 | 0 | 588 |
| N.S. | 3 | 1 | 8 | 7 | 9 | 9 | 47 | 47 | 1 | 132 |