| POLK COUNTY | |||||||||||
| ? | Total Births | Mother's Age | |||||||||
| <15 | 15 | 16 | 17 | 18 | 19 | 20-24 | 25+ | N.S. | |||
| Total | 2,117 | 3 | 5 | 31 | 57 | 82 | 123 | 569 | 1,247 | 0 | |
| Father's Age | <15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 15 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| 16 | 3 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 17 | 16 | 0 | 1 | 6 | 4 | 4 | 1 | 0 | 0 | 0 | |
| 18 | 29 | 0 | 0 | 0 | 3 | 14 | 9 | 3 | 0 | 0 | |
| 19 | 45 | 0 | 0 | 6 | 3 | 12 | 7 | 15 | 2 | 0 | |
| 20 | 50 | 1 | 0 | 0 | 8 | 5 | 15 | 19 | 2 | 0 | |
| 21 | 79 | 0 | 0 | 2 | 2 | 6 | 20 | 47 | 2 | 0 | |
| 22 | 82 | 0 | 0 | 0 | 7 | 3 | 15 | 51 | 6 | 0 | |
| 23 | 84 | 0 | 0 | 2 | 1 | 5 | 8 | 51 | 17 | 0 | |
| 24 | 79 | 0 | 0 | 1 | 0 | 0 | 4 | 53 | 21 | 0 | |
| 25+ | 1,391 | 0 | 0 | 0 | 8 | 7 | 15 | 235 | 1,126 | 0 | |
| N.S. | 258 | 2 | 4 | 12 | 20 | 26 | 28 | 95 | 71 | 0 | |