Issued by:
Ohio Department of Development , Office of Strategic Research
P.O. Box 1001, Columbus, Ohio 43266-0101, Telephone: (614) 466-2115, March, 1997
| COHORTS | 1990 | 1995 | 2000 | 2005 | 2010 | 2015 |
| 0-4 | 6,400 | 6,100 | 5,900 | 6,500 | 7,400 | 8,100 |
| 5-9 | 6,600 | 6,300 | 6,200 | 5,900 | 6,500 | 7,400 |
| 10-14 | 6,500 | 6,500 | 6,400 | 6,200 | 5,900 | 6,600 |
| 15-19 | 5,900 | 6,300 | 6,700 | 6,500 | 6,400 | 6,100 |
| 20-24 | 4,500 | 5,800 | 6,800 | 6,800 | 6,900 | 6,600 |
| 25-29 | 4,900 | 4,500 | 6,100 | 6,800 | 7,000 | 6,900 |
| 30-34 | 6,400 | 4,800 | 4,600 | 6,100 | 6,800 | 7,100 |
| 35-39 | 6,900 | 6,400 | 5,000 | 4,600 | 6,200 | 6,900 |
| 40-44 | 6,800 | 6,800 | 6,500 | 4,900 | 4,700 | 6,200 |
| 45-49 | 5,800 | 6,700 | 6,900 | 6,400 | 5,000 | 4,700 |
| 50-54 | 4,500 | 5,700 | 6,700 | 6,800 | 6,400 | 4,900 |
| 55-59 | 3,700 | 4,300 | 5,600 | 6,500 | 6,600 | 6,300 |
| 60-64 | 3,500 | 3,500 | 4,200 | 5,400 | 6,400 | 6,400 |
| 65-69 | 3,000 | 3,200 | 3,300 | 3,900 | 5,100 | 5,900 |
| 70-74 | 2,300 | 2,700 | 2,900 | 3,000 | 3,500 | 4,500 |
| 75-79 | 1,600 | 1,800 | 2,200 | 2,300 | 2,400 | 2,800 |
| 80-84 | 940 | 1,200 | 1,400 | 1,600 | 1,700 | 1,800 |
| 85+ | 750 | 670 | 620 | 750 | 790 | 920 |
| **TOTAL | 81,100 | 83,400 | 87,900 | 90,900 | 95,700 | 100,000 |