57501 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in South Dakota based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 57501 is White. The majority race/ethnicity attending public schools in 57501 is White. The current unemployment level in 57501 is 1.9%.
| Population | 17,380 |
| Population Growth Rate | 2.40% |
| Population Density | 27 People per Square Mile |
| Total Households | 6,739 |
| Percentage High Income Households | 3.0% |
| Median Household Income (2021) | $77,563 |
| Average Adjusted Gross Income (2021) | $407,350 |
| Current Unemployment Rate (September 2025) | 1.9% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicty | White - 84.55% |
| Public School Majority Race/Ethnicty | White - 67.06% |
57501 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 14,026 | 84.55% |
| Black | 13 | 0.08% |
| Hispanic | 573 | 3.45% |
| Asian | 3 | 0.02% |
| Native American | 1,974 | 11.9% |
| Hawaiian/Pac. Islander | 0 | 0% |
57501 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 1,936 | 73.75% |
| Black | 18 | 0.69% |
| Hispanic | 127 | 4.84% |
| Asian | 24 | 0.91% |
| Native American | 520 | 19.81% |
| Hawaiian/Pac. Islander | 0 | 0% |
57501 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 845 | 8.01% |
| Bachelor Degree | 2,764 | 26.19% |
| High School Diploma | 2,219 | 21.03% |
| No High School Diploma | 23 | 0.22% |
| GED or Alternate | 498 | 4.72% |
| 1 or More Years of College | 1,817 | 17.22% |
| Associates Degree | 1,128 | 10.69% |
| Masters Degree | 766 | 7.26% |
| Professional Degree | 311 | 2.95% |
| Doctorate Degree | 183 | 1.73% |