| | Mendota, CA | Kerman, CA | United States |
| Population | 12,534 | 15,817 | 329,725,481 |
| Female Population | 50.0% | 49.6% | 50.5% |
| Male Population | 50.0% | 50.4% | 49.5% |
| Median Age | 24.1 | 28.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 11,311 | 13,617 | 309,327,143 |
| Population - 2000 | 7,890 | 8,551 | 285,036,114 |
| Population - 1990 | 6,821 | 5,448 | 251,960,433 |
| Pop. 2000 to Now | 57.5% | 79.4% | 15.6% |
| Pop. 1990 to Now | 82.2% | 181.6% | 30.8% |
| space4 | | | |
| Population Density | 3,802.8 | 4,841.4 | 93.4 |
| Land Area | 3.3 | 3.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Mendota, CA | Kerman, CA | United States |
| Age 0 to 4 | 10.2% | 8.1% | 5.9% |
| Age 5 to 9 | 11.3% | 8.4% | 6.1% |
| Age 10 to 14 | 12.3% | 10.4% | 6.6% |
| Age 15 to 17 | 5.5% | 5.2% | 3.9% |
| Age 18 to 20 | 6.1% | 4.2% | 4.0% |
| Age 21 to 24 | 5.4% | 7.1% | 5.2% |
| Age 25 to 34 | 11.4% | 14.5% | 13.8% |
| Age 35 to 44 | 14.0% | 13.4% | 12.9% |
| Age 45 to 54 | 10.4% | 11.3% | 12.6% |
| Age 55 to 59 | 3.5% | 5.5% | 6.7% |
| Age 60 to 64 | 3.7% | 4.0% | 6.3% |
| Age 65 to 74 | 3.8% | 5.5% | 9.6% |
| Age 75 to 84 | 2.0% | 1.9% | 4.5% |
| Age 85 and over | 0.2% | 0.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Mendota, CA | Kerman, CA | United States |
| White | 2.7% | 9.3% | 59.4% |
| Black | 0.0% | 0.3% | 12.2% |
| Asian | 0.0% | 3.4% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.1% | 0.4% |
| Two or More Races | 0.0% | 1.0% | 3.2% |
| Hispanic | 97.1% | 84.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Mendota, CA | Kerman, CA | United States |
| Married Population | 45.1% | 50.1% | 49.8% |
| Currently Married | 43.3% | 46.3% | 48.0% |
| Married but Separated | 1.8% | 3.8% | 1.8% |
| Single Population | 54.9% | 49.9% | 50.2% |
| Never Married | 50.1% | 38.4% | 33.8% |
| Divorced | 2.7% | 7.8% | 10.8% |
| Widowed | 2.1% | 3.7% | 5.6% |
| space5 | | | |
| Household Size | 4.30 | 3.61 | 2.60 |
| Households | 2,912 | 4,379 | 124,010,992 |
| Family Households | 2,511 | 3,344 | 80,755,759 |
| Married couple, w/children | 50.9% | 44.9% | 30.5% |
| Married couple, no children | 10.2% | 23.3% | 42.9% |
| Non Family Households | 401 | 1,035 | 43,255,233 |
| Single householder, w/children | 28.2% | 21.8% | 15.8% |
| Single householder, no children | 10.6% | 10.0% | 10.8% |