| | Sabetha, KS | Hamlin, KS | United States |
| Population | 2,509 | 83 | 329,725,481 |
| Female Population | 50.9% | 50.6% | 50.5% |
| Male Population | 49.1% | 49.4% | 49.5% |
| Median Age | 38.4 | 18.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,552 | 37 | 309,327,143 |
| Population - 2000 | 2,589 | 53 | 285,036,114 |
| Population - 1990 | 2,341 | 50 | 251,960,433 |
| Pop. 2000 to Now | -1.4% | -34.0% | 15.6% |
| Pop. 1990 to Now | 9.0% | -30.0% | 30.8% |
| space4 | | | |
| Population Density | 787.5 | 954.0 | 93.4 |
| Land Area | 3.2 | 0.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Sabetha, KS | Hamlin, KS | United States |
| Age 0 to 4 | 9.2% | 16.9% | 5.9% |
| Age 5 to 9 | 5.9% | 6.0% | 6.1% |
| Age 10 to 14 | 6.3% | 18.1% | 6.6% |
| Age 15 to 17 | 2.9% | 7.2% | 3.9% |
| Age 18 to 20 | 5.3% | 14.5% | 4.0% |
| Age 21 to 24 | 3.1% | 4.8% | 5.2% |
| Age 25 to 34 | 12.4% | 8.4% | 13.8% |
| Age 35 to 44 | 11.7% | 24.1% | 12.9% |
| Age 45 to 54 | 11.2% | 0.0% | 12.6% |
| Age 55 to 59 | 2.9% | 0.0% | 6.7% |
| Age 60 to 64 | 5.7% | 0.0% | 6.3% |
| Age 65 to 74 | 8.7% | 0.0% | 9.6% |
| Age 75 to 84 | 5.5% | 0.0% | 4.5% |
| Age 85 and over | 9.1% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Sabetha, KS | Hamlin, KS | United States |
| White | 97.3% | 63.9% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.8% | 9.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.2% | 16.9% | 3.2% |
| Hispanic | 1.8% | 9.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Sabetha, KS | Hamlin, KS | United States |
| Married Population | 56.5% | 61.2% | 49.8% |
| Currently Married | 55.0% | 40.8% | 48.0% |
| Married but Separated | 1.4% | 20.4% | 1.8% |
| Single Population | 43.5% | 38.8% | 50.2% |
| Never Married | 23.7% | 38.8% | 33.8% |
| Divorced | 8.9% | 0.0% | 10.8% |
| Widowed | 10.9% | 0.0% | 5.6% |
| space5 | | | |
| Household Size | 2.13 | 4.37 | 2.60 |
| Households | 1,115 | 19 | 124,010,992 |
| Family Households | 606 | 19 | 80,755,759 |
| Married couple, w/children | 33.0% | 47.4% | 30.5% |
| Married couple, no children | 51.2% | 0.0% | 42.9% |
| Non Family Households | 509 | 0 | 43,255,233 |
| Single householder, w/children | 11.6% | 52.6% | 15.8% |
| Single householder, no children | 4.3% | 0.0% | 10.8% |