| PEOPLE | Arkansas City | Estherville | United States |
| Population | 12,415 | 6,360 | 308,035,306 |
| Pop. Density | 1,326 | 1,195 | 87 |
| Pop. Change | 3.28% | -5.35% | 8.07% |
| Median Age | 34 | 37.3 | 37.3 |
| Households | 4,802 | 2,607 | 116,716,292 |
| Household Size | 2.47 | 2.3 | 2.58 |
| Male Population | 48.26% | 50.27% | 49.27% |
| Female Population | 51.74% | 49.73% | 50.96% |
| Married Population | 47.23% | 48.87% | 47.02% |
| Single Population | 52.77% | 51.13% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.14% | 6.65% | 6.56% |
| Age 5 to 9 | 7.32% | 6.76% | 6.61% |
| Age 10 to 14 | 6.70% | 5.99% | 6.71% |
| Age 15 to 17 | 4.26% | 3.76% | 4.21% |
| Age 18 to 20 | 4.62% | 5.16% | 2.95% |
| Age 21 to 24 | 8.05% | 7.47% | 7.01% |
| Age 25 to 34 | 11.94% | 11.78% | 13.33% |
| Age 35 to 44 | 11.37% | 10.50% | 13.33% |
| Age 45 to 49 | 11.87% | 12.91% | 14.61% |
| Age 50 to 54 | 11.87% | 12.91% | 14.61% |
| Age 55 to 59 | 10.91% | 11.02% | 11.84% |
| Age 60 to 64 | 10.91% | 11.02% | 11.84% |
| Age 65 to 74 | 7.04% | 7.36% | 7.05% |
| Age 75 to 84 | 5.11% | 6.56% | 4.24% |
| Age 85 and over | 2.66% | 4.09% | 1.78% |
| RACE | | | |
| White | 79.36% | 90.55% | 72.41% |
| Black | 3.92% | 0.79% | 12.61% |
| Asian | 0.64% | 0.57% | 4.75% |
| American Indian | 2.69% | 0.72% | 0.95% |
| Other | 13.40% | 7.37% | 9.28% |
| Hispanic | 4.16% | 1.23% | 16.35% |
| Non-Hispanic | 95.84% | 98.77% | 83.65% |
| FAMILY | | | |
| Married, w/children | 27.36% | 27.68% | 30.42% |
| Married, no children | 41.39% | 46.70% | 42.46% |
| Single, w/children | 19.93% | 17.46% | 14.39% |
| Single, no children | 11.32% | 8.15% | 12.73% |
| Divorced | 14.83% | 9.56% | 10.62% |
| Separated | 4.84% | 2.78% | 4.97% |
| Widowed | 9.88% | 9.21% | 6.14% |
| Now Married | 47.42% | 49.36% | 46.32% |
| Never Married | 23.03% | 29.09% | 31.95% |