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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 | 7,300 | 7,300 | 7,500 | 7,600 | 7,900 | 7,900 |
| 5-9 | 7,600 | 7,300 | 7,300 | 7,500 | 7,600 | 7,800 |
| 10-14 | 7,800 | 7,700 | 7,300 | 7,400 | 7,500 | 7,800 |
| 15-19 | 7,400 | 7,900 | 7,600 | 7,600 | 7,500 | 8,000 |
| 20-24 | 6,000 | 7,500 | 7,700 | 7,900 | 7,800 | 7,900 |
| 25-29 | 7,000 | 6,000 | 7,300 | 7,700 | 7,900 | 7,800 |
| 30-34 | 7,800 | 7,000 | 5,900 | 7,300 | 7,700 | 8,000 |
| 35-39 | 7,800 | 7,800 | 6,900 | 6,000 | 7,300 | 7,800 |
| 40-44 | 6,700 | 7,800 | 7,700 | 6,900 | 5,900 | 7,300 |
| 45-49 | 5,600 | 6,700 | 7,700 | 7,700 | 6,800 | 6,000 |
| 50-54 | 4,600 | 5,500 | 6,500 | 7,500 | 7,500 | 6,700 |
| 55-59 | 4,600 | 4,500 | 5,300 | 6,300 | 7,300 | 7,300 |
| 60-64 | 4,900 | 4,300 | 4,200 | 5,000 | 6,000 | 6,900 |
| 65-69 | 4,600 | 4,600 | 4,000 | 4,000 | 4,700 | 5,600 |
| 70-74 | 3,900 | 4,000 | 3,900 | 3,500 | 3,500 | 4,100 |
| 75-79 | 2,900 | 3,100 | 3,100 | 3,100 | 2,800 | 2,800 |
| 80-84 | 1,900 | 2,100 | 2,300 | 2,300 | 2,300 | 2,100 |
| 85+ | 1,400 | 1,500 | 1,600 | 1,800 | 1,800 | 1,900 |
| TOTAL | 99,800 | 102,400 | 104,000 | 107,100 | 109,700 | 113,500 |