| | Glenrock, WY | Medford, OR | United States |
| Population | 2,914 | 84,894 | 329,725,481 |
| Female Population | 45.8% | 50.6% | 50.5% |
| Male Population | 54.2% | 49.4% | 49.5% |
| Median Age | 31 | 37.7 | 38.4 |
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| Population - 2010 | 2,637 | 75,066 | 309,327,143 |
| Population - 2000 | 2,231 | 63,154 | 285,036,114 |
| Population - 1990 | 2,153 | 46,951 | 251,960,433 |
| Pop. 2000 to Now | 15.1% | 32.1% | 15.6% |
| Pop. 1990 to Now | 19.2% | 77.7% | 30.8% |
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| Population Density | 1,265.9 | 3,295.3 | 93.4 |
| Land Area | 2.3 | 25.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Glenrock, WY | Medford, OR | United States |
| Age 0 to 4 | 7.3% | 6.2% | 5.9% |
| Age 5 to 9 | 8.8% | 6.3% | 6.1% |
| Age 10 to 14 | 9.2% | 7.1% | 6.6% |
| Age 15 to 17 | 5.0% | 3.9% | 3.9% |
| Age 18 to 20 | 5.6% | 3.1% | 4.0% |
| Age 21 to 24 | 6.7% | 4.9% | 5.2% |
| Age 25 to 34 | 11.3% | 14.8% | 13.8% |
| Age 35 to 44 | 10.7% | 13.2% | 12.9% |
| Age 45 to 54 | 10.5% | 11.0% | 12.6% |
| Age 55 to 59 | 5.6% | 5.5% | 6.7% |
| Age 60 to 64 | 6.2% | 6.2% | 6.3% |
| Age 65 to 74 | 7.0% | 10.3% | 9.6% |
| Age 75 to 84 | 5.1% | 4.9% | 4.5% |
| Age 85 and over | 1.0% | 2.8% | 1.9% |
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| Race | | | |
| | Glenrock, WY | Medford, OR | United States |
| White | 94.4% | 74.9% | 59.4% |
| Black | 0.0% | 0.9% | 12.2% |
| Asian | 0.0% | 1.1% | 5.6% |
| Native American | 0.0% | 1.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 2.6% | 4.4% | 3.2% |
| Hispanic | 3.0% | 17.2% | 18.4% |
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| Marriage & Family | | | |
| | Glenrock, WY | Medford, OR | United States |
| Married Population | 61.7% | 48.9% | 49.8% |
| Currently Married | 57.4% | 47.2% | 48.0% |
| Married but Separated | 4.3% | 1.6% | 1.8% |
| Single Population | 38.3% | 51.1% | 50.2% |
| Never Married | 19.0% | 30.0% | 33.8% |
| Divorced | 14.5% | 15.0% | 10.8% |
| Widowed | 4.8% | 6.2% | 5.6% |
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| Household Size | 2.78 | 2.47 | 2.60 |
| Households | 1,049 | 33,645 | 124,010,992 |
| Family Households | 787 | 20,673 | 80,755,759 |
| Married couple, w/children | 34.1% | 31.4% | 30.5% |
| Married couple, no children | 40.3% | 40.9% | 42.9% |
| Non Family Households | 262 | 12,972 | 43,255,233 |
| Single householder, w/children | 25.7% | 18.5% | 15.8% |
| Single householder, no children | 0.0% | 9.1% | 10.8% |