| | Brighton, CO | Berthoud, CO | United States |
| Population | 39,895 | 10,188 | 329,725,481 |
| Female Population | 48.5% | 50.8% | 50.5% |
| Male Population | 51.5% | 49.2% | 49.5% |
| Median Age | 34.5 | 39.5 | 38.4 |
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| Population - 2010 | 33,975 | 5,215 | 309,327,143 |
| Population - 2000 | 20,905 | 4,839 | 285,036,114 |
| Population - 1990 | 14,203 | 2,990 | 251,960,433 |
| Pop. 2000 to Now | 95.1% | 123.3% | 15.6% |
| Pop. 1990 to Now | 187.1% | 261.4% | 30.8% |
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| Population Density | 1,886.1 | 814.3 | 93.4 |
| Land Area | 21.2 | 12.5 | 3,531,905.4 |
| Water Area | 0.3 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Brighton, CO | Berthoud, CO | United States |
| Age 0 to 4 | 6.4% | 7.0% | 5.9% |
| Age 5 to 9 | 8.0% | 6.0% | 6.1% |
| Age 10 to 14 | 9.4% | 5.4% | 6.6% |
| Age 15 to 17 | 4.0% | 4.0% | 3.9% |
| Age 18 to 20 | 3.1% | 3.3% | 4.0% |
| Age 21 to 24 | 3.9% | 3.6% | 5.2% |
| Age 25 to 34 | 15.9% | 14.8% | 13.8% |
| Age 35 to 44 | 14.9% | 14.3% | 12.9% |
| Age 45 to 54 | 13.4% | 15.6% | 12.6% |
| Age 55 to 59 | 6.3% | 6.5% | 6.7% |
| Age 60 to 64 | 4.5% | 5.7% | 6.3% |
| Age 65 to 74 | 6.3% | 9.4% | 9.6% |
| Age 75 to 84 | 3.1% | 3.4% | 4.5% |
| Age 85 and over | 0.7% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Brighton, CO | Berthoud, CO | United States |
| White | 55.3% | 84.3% | 59.4% |
| Black | 2.4% | 0.0% | 12.2% |
| Asian | 2.7% | 0.9% | 5.6% |
| Native American | 0.3% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.6% | 0.2% |
| Other | 0.1% | 0.7% | 0.4% |
| Two or More Races | 3.2% | 1.0% | 3.2% |
| Hispanic | 36.0% | 12.3% | 18.4% |
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| Marriage & Family | | | |
| | Brighton, CO | Berthoud, CO | United States |
| Married Population | 54.2% | 67.6% | 49.8% |
| Currently Married | 52.7% | 67.0% | 48.0% |
| Married but Separated | 1.5% | 0.6% | 1.8% |
| Single Population | 45.8% | 32.4% | 50.2% |
| Never Married | 29.1% | 19.1% | 33.8% |
| Divorced | 11.7% | 11.4% | 10.8% |
| Widowed | 5.0% | 1.9% | 5.6% |
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| Household Size | 2.96 | 2.54 | 2.60 |
| Households | 12,973 | 3,983 | 124,010,992 |
| Family Households | 9,321 | 3,251 | 80,755,759 |
| Married couple, w/children | 40.9% | 29.3% | 30.5% |
| Married couple, no children | 37.9% | 55.1% | 42.9% |
| Non Family Households | 3,652 | 732 | 43,255,233 |
| Single householder, w/children | 14.4% | 9.0% | 15.8% |
| Single householder, no children | 6.8% | 6.6% | 10.8% |