| West Virginia |  |
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 | 879,170 | 48.6% | 929,174 | 51.4% |
| 0-4 | 51,864 | 2.9% | 49,941 | 2.8% |
| 5-9 | 57,201 | 3.2% | 53,949 | 3.0% |
| 10-14 | 59,875 | 3.3% | 56,307 | 3.1% |
| 15-19 | 64,535 | 3.6% | 61,043 | 3.4% |
| 20-24 | 60,701 | 3.4% | 59,408 | 3.3% |
| 25-29 | 56,941 | 3.1% | 56,636 | 3.1% |
| 30-34 | 57,541 | 3.2% | 57,976 | 3.2% |
| 35-39 | 63,411 | 3.5% | 66,405 | 3.7% |
| 40-44 | 70,047 | 3.9% | 72,386 | 4.0% |
| 45-49 | 70,112 | 3.9% | 71,117 | 3.9% |
| 50-54 | 64,615 | 3.6% | 64,622 | 3.6% |
| 55-59 | 48,644 | 2.7% | 50,272 | 2.8% |
| 60-64 | 41,145 | 2.3% | 44,755 | 2.5% |
| 65-69 | 34,552 | 1.9% | 41,311 | 2.3% |
| 70-74 | 31,856 | 1.8% | 40,744 | 2.3% |
| 75-79 | 23,930 | 1.3% | 34,872 | 1.9% |
| 80-84 | 13,325 | 0.7% | 24,526 | 1.4% |
| 85 | 8,875 | 0.5% | 22,904 | 1.3% |
| 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 | 861,536 | 48.0% | 931,941 | 52.0% |
| 0-4 | 54,738 | 3.1% | 51,921 | 2.9% |
| 5-9 | 61,722 | 3.4% | 58,152 | 3.2% |
| 10-14 | 69,394 | 3.9% | 65,419 | 3.6% |
| 15-19 | 72,787 | 4.1% | 69,268 | 3.9% |
| 20-24 | 59,646 | 3.3% | 60,521 | 3.4% |
| 25-29 | 58,550 | 3.3% | 63,594 | 3.5% |
| 30-34 | 67,493 | 3.8% | 72,066 | 4.0% |
| 35-39 | 69,498 | 3.9% | 71,685 | 4.0% |
| 40-44 | 64,630 | 3.6% | 65,291 | 3.6% |
| 45-49 | 50,287 | 2.8% | 51,084 | 2.8% |
| 50-54 | 43,604 | 2.4% | 46,343 | 2.6% |
| 55-59 | 39,693 | 2.2% | 45,572 | 2.5% |
| 60-64 | 42,318 | 2.4% | 49,304 | 2.7% |
| 65-69 | 38,964 | 2.2% | 48,251 | 2.7% |
| 70-74 | 28,456 | 1.6% | 40,072 | 2.2% |
| 75-79 | 20,811 | 1.2% | 32,897 | 1.8% |
| 80-84 | 11,767 | 0.7% | 22,228 | 1.2% |
| 85 | 7,178 | 0.4% | 18,273 | 1.0% |
Source: Census 2000 analyzed by the Social Science Data Analysis Network (SSDAN).