| | Kaysville, UT | Farmington, UT | United States |
| Population | 32,438 | 23,990 | 329,725,481 |
| Female Population | 48.2% | 49.0% | 50.5% |
| Male Population | 51.8% | 51.0% | 49.5% |
| Median Age | 31.2 | 30.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 27,701 | 18,423 | 309,327,143 |
| Population - 2000 | 20,351 | 12,081 | 285,036,114 |
| Population - 1990 | 13,961 | 9,028 | 251,960,433 |
| Pop. 2000 to Now | 60.2% | 110.1% | 15.6% |
| Pop. 1990 to Now | 133.5% | 181.2% | 30.8% |
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| Population Density | 3,089.0 | 2,413.5 | 93.4 |
| Land Area | 10.5 | 9.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Kaysville, UT | Farmington, UT | United States |
| Age 0 to 4 | 7.3% | 8.3% | 5.9% |
| Age 5 to 9 | 11.4% | 10.1% | 6.1% |
| Age 10 to 14 | 12.6% | 11.3% | 6.6% |
| Age 15 to 17 | 5.5% | 5.7% | 3.9% |
| Age 18 to 20 | 3.1% | 4.1% | 4.0% |
| Age 21 to 24 | 4.0% | 4.4% | 5.2% |
| Age 25 to 34 | 10.3% | 11.9% | 13.8% |
| Age 35 to 44 | 15.4% | 16.7% | 12.9% |
| Age 45 to 54 | 11.0% | 9.8% | 12.6% |
| Age 55 to 59 | 4.5% | 4.1% | 6.7% |
| Age 60 to 64 | 5.0% | 4.1% | 6.3% |
| Age 65 to 74 | 5.6% | 6.5% | 9.6% |
| Age 75 to 84 | 3.6% | 2.2% | 4.5% |
| Age 85 and over | 0.7% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Kaysville, UT | Farmington, UT | United States |
| White | 91.4% | 87.8% | 59.4% |
| Black | 0.5% | 0.8% | 12.2% |
| Asian | 0.7% | 2.9% | 5.6% |
| Native American | 0.4% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.6% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 1.4% | 2.6% | 3.2% |
| Hispanic | 5.4% | 5.0% | 18.4% |
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| Marriage & Family | | | |
| | Kaysville, UT | Farmington, UT | United States |
| Married Population | 66.2% | 62.6% | 49.8% |
| Currently Married | 65.4% | 61.7% | 48.0% |
| Married but Separated | 0.8% | 0.9% | 1.8% |
| Single Population | 33.8% | 37.4% | 50.2% |
| Never Married | 23.3% | 28.1% | 33.8% |
| Divorced | 6.8% | 7.7% | 10.8% |
| Widowed | 3.7% | 1.7% | 5.6% |
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| Household Size | 3.66 | 3.44 | 2.60 |
| Households | 8,857 | 6,729 | 124,010,992 |
| Family Households | 7,648 | 5,312 | 80,755,759 |
| Married couple, w/children | 54.0% | 56.8% | 30.5% |
| Married couple, no children | 36.4% | 34.0% | 42.9% |
| Non Family Households | 1,209 | 1,417 | 43,255,233 |
| Single householder, w/children | 5.9% | 5.0% | 15.8% |
| Single householder, no children | 3.6% | 4.3% | 10.8% |