| | Herington, KS | Atkins, AR | United States |
| Population | 2,174 | 2,869 | 329,725,481 |
| Female Population | 50.5% | 53.6% | 50.5% |
| Male Population | 49.5% | 46.4% | 49.5% |
| Median Age | 43.8 | 42.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,531 | 3,011 | 309,327,143 |
| Population - 2000 | 2,563 | 2,878 | 285,036,114 |
| Population - 1990 | 2,685 | 2,834 | 251,960,433 |
| Pop. 2000 to Now | -12.6% | 5.7% | 15.6% |
| Pop. 1990 to Now | -16.6% | 7.3% | 30.8% |
| space4 | | | |
| Population Density | 450.5 | 468.0 | 93.4 |
| Land Area | 4.8 | 6.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Herington, KS | Atkins, AR | United States |
| Age 0 to 4 | 4.1% | 4.6% | 5.9% |
| Age 5 to 9 | 4.7% | 6.7% | 6.1% |
| Age 10 to 14 | 6.3% | 6.0% | 6.6% |
| Age 15 to 17 | 2.6% | 9.6% | 3.9% |
| Age 18 to 20 | 3.6% | 2.8% | 4.0% |
| Age 21 to 24 | 3.8% | 4.5% | 5.2% |
| Age 25 to 34 | 10.2% | 10.5% | 13.8% |
| Age 35 to 44 | 16.1% | 12.2% | 12.9% |
| Age 45 to 54 | 8.1% | 15.1% | 12.6% |
| Age 55 to 59 | 8.1% | 5.5% | 6.7% |
| Age 60 to 64 | 8.9% | 5.1% | 6.3% |
| Age 65 to 74 | 16.2% | 8.7% | 9.6% |
| Age 75 to 84 | 5.8% | 5.1% | 4.5% |
| Age 85 and over | 1.5% | 3.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Herington, KS | Atkins, AR | United States |
| White | 71.5% | 95.2% | 59.4% |
| Black | 1.7% | 1.4% | 12.2% |
| Asian | 4.0% | 0.0% | 5.6% |
| Native American | 0.8% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.5% | 0.0% | 0.4% |
| Two or More Races | 10.2% | 3.2% | 3.2% |
| Hispanic | 10.2% | 0.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Herington, KS | Atkins, AR | United States |
| Married Population | 62.6% | 50.4% | 49.8% |
| Currently Married | 59.9% | 49.2% | 48.0% |
| Married but Separated | 2.7% | 1.2% | 1.8% |
| Single Population | 37.4% | 49.6% | 50.2% |
| Never Married | 17.6% | 24.2% | 33.8% |
| Divorced | 15.4% | 14.5% | 10.8% |
| Widowed | 4.4% | 10.8% | 5.6% |
| space5 | | | |
| Household Size | 2.16 | 2.57 | 2.60 |
| Households | 992 | 1,091 | 124,010,992 |
| Family Households | 590 | 789 | 80,755,759 |
| Married couple, w/children | 25.8% | 29.5% | 30.5% |
| Married couple, no children | 58.5% | 27.5% | 42.9% |
| Non Family Households | 402 | 302 | 43,255,233 |
| Single householder, w/children | 4.6% | 24.8% | 15.8% |
| Single householder, no children | 11.2% | 18.1% | 10.8% |