| Kentucky |  |
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
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Female
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| Number | Percent | Number | Percent | |
| Total Population | 1,975,368 | 48.9% | 2,066,401 | 51.1% |
| 0-4 | 136,273 | 3.4% | 129,628 | 3.2% |
| 5-9 | 143,419 | 3.5% | 135,839 | 3.4% |
| 10-14 | 143,929 | 3.6% | 135,552 | 3.4% |
| 15-19 | 147,977 | 3.7% | 141,027 | 3.5% |
| 20-24 | 143,883 | 3.6% | 139,149 | 3.4% |
| 25-29 | 141,769 | 3.5% | 139,365 | 3.4% |
| 30-34 | 143,506 | 3.6% | 143,468 | 3.5% |
| 35-39 | 159,316 | 3.9% | 162,615 | 4.0% |
| 40-44 | 158,212 | 3.9% | 162,522 | 4.0% |
| 45-49 | 144,952 | 3.6% | 149,024 | 3.7% |
| 50-54 | 128,971 | 3.2% | 133,985 | 3.3% |
| 55-59 | 99,187 | 2.5% | 105,296 | 2.6% |
| 60-64 | 79,993 | 2.0% | 88,119 | 2.2% |
| 65-69 | 66,591 | 1.6% | 78,080 | 1.9% |
| 70-74 | 56,207 | 1.4% | 73,065 | 1.8% |
| 75-79 | 41,734 | 1.0% | 63,026 | 1.6% |
| 80-84 | 23,743 | 0.6% | 44,086 | 1.1% |
| 85 | 15,706 | 0.4% | 42,555 | 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 | 1,785,235 | 48.4% | 1,900,061 | 51.6% |
| 0-4 | 128,925 | 3.5% | 121,946 | 3.3% |
| 5-9 | 135,787 | 3.7% | 129,670 | 3.5% |
| 10-14 | 141,652 | 3.8% | 133,635 | 3.6% |
| 15-19 | 147,133 | 4.0% | 138,028 | 3.7% |
| 20-24 | 139,328 | 3.8% | 137,979 | 3.7% |
| 25-29 | 148,086 | 4.0% | 153,207 | 4.2% |
| 30-34 | 151,212 | 4.1% | 157,614 | 4.3% |
| 35-39 | 141,713 | 3.8% | 146,896 | 4.0% |
| 40-44 | 127,918 | 3.5% | 132,536 | 3.6% |
| 45-49 | 101,316 | 2.7% | 105,567 | 2.9% |
| 50-54 | 84,877 | 2.3% | 90,606 | 2.5% |
| 55-59 | 77,667 | 2.1% | 85,154 | 2.3% |
| 60-64 | 74,363 | 2.0% | 85,636 | 2.3% |
| 65-69 | 67,346 | 1.8% | 83,626 | 2.3% |
| 70-74 | 49,077 | 1.3% | 68,177 | 1.8% |
| 75-79 | 35,172 | 1.0% | 56,991 | 1.5% |
| 80-84 | 20,588 | 0.6% | 39,501 | 1.1% |
| 85 | 13,075 | 0.4% | 33,292 | 0.9% |
Source: Census 2000 analyzed by the Social Science Data Analysis Network (SSDAN).