| Ohio |  |
AGE DISTRIBUTION
Drawn as a "population pyramid," an area's age-sex structure hints at its patterns of growth. A top heavy pyramid, like the one for Grant County, North Dakota , suggests negative population growth that might be due to any number of factors, including high death rates, low birth rates, and increased emigration from the area. A bottom heavy pyramid, like the one drawn for Orange County, Florida , suggests high birthrates, falling or stable death rates, and the potential for rapid population growth. Most areas, however, fall somewhere between these two extremes and have a population pyramid that resembles a square, indicating slow and sustained growth with the birth rate exceeding the death rate, though not by a great margin.
| Age Distribution by Sex, 2000 | ||||
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Male
|
Female
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| Number | Percent | Number | Percent | |
| Total Population | 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% |
| Age Distribution by Sex, 1990 | ||||
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Male
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Female
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| Number | Percent | Number | Percent | |
| Total Population | 5,226,340 | 48.2% | 5,620,775 | 51.8% |
| 0-4 | 402,122 | 3.7% | 383,027 | 3.5% |
| 5-9 | 406,612 | 3.7% | 388,523 | 3.6% |
| 10-14 | 393,130 | 3.6% | 373,692 | 3.4% |
| 15-19 | 403,489 | 3.7% | 390,430 | 3.6% |
| 20-24 | 393,624 | 3.6% | 401,513 | 3.7% |
| 25-29 | 426,245 | 3.9% | 442,319 | 4.1% |
| 30-34 | 454,019 | 4.2% | 472,605 | 4.4% |
| 35-39 | 419,243 | 3.9% | 434,234 | 4.0% |
| 40-44 | 372,323 | 3.4% | 390,055 | 3.6% |
| 45-49 | 291,042 | 2.7% | 308,331 | 2.8% |
| 50-54 | 246,989 | 2.3% | 267,081 | 2.5% |
| 55-59 | 229,688 | 2.1% | 252,838 | 2.3% |
| 60-64 | 232,280 | 2.1% | 264,700 | 2.4% |
| 65-69 | 207,546 | 1.9% | 258,567 | 2.4% |
| 70-74 | 152,217 | 1.4% | 209,698 | 1.9% |
| 75-79 | 102,363 | 0.9% | 166,534 | 1.5% |
| 80-84 | 57,175 | 0.5% | 114,831 | 1.1% |
| 85 | 36,233 | 0.3% | 101,797 | 0.9% |
Source: Census 2000 analyzed by the Social Science Data Analysis Network (SSDAN).