| Connecticut |  |
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 | 1,649,319 | 48.4% | 1,756,246 | 51.6% |
| 0-4 | 114,129 | 3.4% | 109,215 | 3.2% |
| 5-9 | 125,003 | 3.7% | 119,141 | 3.5% |
| 10-14 | 123,706 | 3.6% | 117,881 | 3.5% |
| 15-19 | 111,291 | 3.3% | 105,336 | 3.1% |
| 20-24 | 95,103 | 2.8% | 92,468 | 2.7% |
| 25-29 | 99,980 | 2.9% | 101,487 | 3.0% |
| 30-34 | 122,733 | 3.6% | 127,440 | 3.7% |
| 35-39 | 142,480 | 4.2% | 148,386 | 4.4% |
| 40-44 | 142,749 | 4.2% | 147,434 | 4.3% |
| 45-49 | 123,872 | 3.6% | 128,882 | 3.8% |
| 50-54 | 110,241 | 3.2% | 117,812 | 3.5% |
| 55-59 | 85,621 | 2.5% | 91,340 | 2.7% |
| 60-64 | 62,409 | 1.8% | 69,243 | 2.0% |
| 65-69 | 54,050 | 1.6% | 63,506 | 1.9% |
| 70-74 | 49,952 | 1.5% | 64,057 | 1.9% |
| 75-79 | 41,214 | 1.2% | 59,882 | 1.8% |
| 80-84 | 26,854 | 0.8% | 46,395 | 1.4% |
| 85 | 17,932 | 0.5% | 46,341 | 1.4% |
| 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 | 1,592,873 | 48.5% | 1,694,243 | 51.5% |
| 0-4 | 117,021 | 3.6% | 111,335 | 3.4% |
| 5-9 | 107,119 | 3.3% | 101,886 | 3.1% |
| 10-14 | 99,164 | 3.0% | 95,208 | 2.9% |
| 15-19 | 108,683 | 3.3% | 102,897 | 3.1% |
| 20-24 | 127,549 | 3.9% | 124,152 | 3.8% |
| 25-29 | 144,054 | 4.4% | 143,637 | 4.4% |
| 30-34 | 147,196 | 4.5% | 148,995 | 4.5% |
| 35-39 | 131,465 | 4.0% | 134,302 | 4.1% |
| 40-44 | 119,611 | 3.6% | 125,618 | 3.8% |
| 45-49 | 98,066 | 3.0% | 102,173 | 3.1% |
| 50-54 | 75,675 | 2.3% | 80,128 | 2.4% |
| 55-59 | 70,912 | 2.2% | 76,110 | 2.3% |
| 60-64 | 70,010 | 2.1% | 78,243 | 2.4% |
| 65-69 | 62,886 | 1.9% | 77,473 | 2.4% |
| 70-74 | 48,896 | 1.5% | 66,982 | 2.0% |
| 75-79 | 33,900 | 1.0% | 53,454 | 1.6% |
| 80-84 | 18,598 | 0.6% | 36,725 | 1.1% |
| 85 | 12,068 | 0.4% | 34,925 | 1.1% |
Source: Census 2000 analyzed by the Social Science Data Analysis Network (SSDAN).