| Utah |  |
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 | 1,119,031 | 50.1% | 1,114,138 | 49.9% |
| 0-4 | 107,663 | 4.8% | 101,715 | 4.6% |
| 5-9 | 99,603 | 4.5% | 93,430 | 4.2% |
| 10-14 | 98,541 | 4.4% | 93,747 | 4.2% |
| 15-19 | 107,921 | 4.8% | 108,357 | 4.9% |
| 20-24 | 112,446 | 5.0% | 112,706 | 5.0% |
| 25-29 | 92,732 | 4.2% | 85,742 | 3.8% |
| 30-34 | 76,853 | 3.4% | 71,737 | 3.2% |
| 35-39 | 76,507 | 3.4% | 74,188 | 3.3% |
| 40-44 | 75,069 | 3.4% | 73,772 | 3.3% |
| 45-49 | 66,052 | 3.0% | 65,613 | 2.9% |
| 50-54 | 52,896 | 2.4% | 53,149 | 2.4% |
| 55-59 | 39,374 | 1.8% | 40,679 | 1.8% |
| 60-64 | 30,146 | 1.3% | 32,309 | 1.4% |
| 65-69 | 25,565 | 1.1% | 28,169 | 1.3% |
| 70-74 | 22,151 | 1.0% | 25,663 | 1.1% |
| 75-79 | 17,357 | 0.8% | 22,388 | 1.0% |
| 80-84 | 10,978 | 0.5% | 16,200 | 0.7% |
| 85 | 7,177 | 0.3% | 14,574 | 0.7% |
| 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 | 855,759 | 49.7% | 867,091 | 50.3% |
| 0-4 | 86,889 | 5.0% | 82,744 | 4.8% |
| 5-9 | 94,404 | 5.5% | 89,270 | 5.2% |
| 10-14 | 94,416 | 5.5% | 89,430 | 5.2% |
| 15-19 | 76,321 | 4.4% | 76,134 | 4.4% |
| 20-24 | 68,439 | 4.0% | 69,383 | 4.0% |
| 25-29 | 69,370 | 4.0% | 67,951 | 3.9% |
| 30-34 | 68,771 | 4.0% | 68,806 | 4.0% |
| 35-39 | 62,370 | 3.6% | 61,839 | 3.6% |
| 40-44 | 50,245 | 2.9% | 50,218 | 2.9% |
| 45-49 | 38,179 | 2.2% | 38,969 | 2.3% |
| 50-54 | 30,160 | 1.8% | 31,173 | 1.8% |
| 55-59 | 26,676 | 1.5% | 28,254 | 1.6% |
| 60-64 | 25,229 | 1.5% | 27,252 | 1.6% |
| 65-69 | 22,719 | 1.3% | 25,957 | 1.5% |
| 70-74 | 17,770 | 1.0% | 21,741 | 1.3% |
| 75-79 | 12,218 | 0.7% | 17,048 | 1.0% |
| 80-84 | 7,135 | 0.4% | 11,759 | 0.7% |
| 85 | 4,448 | 0.3% | 9,163 | 0.5% |
Source: Census 2000 analyzed by the Social Science Data Analysis Network (SSDAN).