| |
| Age Group | Male | Female | Ohio, 2000, Universe: 001 Total population Universe Population: 11,353,140 | ||
| Population | Pct | Population | Pct |  | |
| Total | 5,512,262 | 48.6 | 5,840,878 | 51.4 | |
| 0- 4 | 385,231 | 3.4 | 369,699 | 3.3 | |
| 5- 9 | 417,023 | 3.7 | 399,323 | 3.5 | |
| 10-14 | 424,906 | 3.7 | 402,905 | 3.5 | |
| 15-19 | 416,085 | 3.7 | 400,783 | 3.5 | |
| 20-24 | 363,689 | 3.2 | 365,239 | 3.2 | |
| 25-29 | 366,452 | 3.2 | 369,130 | 3.3 | |
| 30-34 | 390,689 | 3.4 | 393,623 | 3.5 | |
| 35-39 | 435,881 | 3.8 | 447,890 | 3.9 | |
| 40-44 | 454,202 | 4.0 | 467,343 | 4.1 | |
| 45-49 | 411,052 | 3.6 | 423,779 | 3.7 | |
| 50-54 | 357,926 | 3.2 | 373,627 | 3.3 | |
| 55-59 | 265,926 | 2.3 | 287,248 | 2.5 | |
| 60-64 | 214,641 | 1.9 | 241,091 | 2.1 | |
| 65-69 | 183,727 | 1.6 | 218,941 | 1.9 | |
| 70-74 | 169,083 | 1.5 | 218,501 | 1.9 | |
| 75-79 | 130,350 | 1.1 | 195,118 | 1.7 | |
| 80-84 | 77,227 | 0.7 | 138,014 | 1.2 | |
| 85+ | 48,172 | 0.4 | 128,624 | 1.1 | |