57658 can be classified socioeconomically as Lower 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 57658 is Native American. The majority race/ethnicity attending public schools in 57658 is Native American. The current unemployment level in 57658 is 2.2%.
| Population | 410 |
| Population Growth Rate | 16.34% |
| Population Density | 1 People per Square Mile |
| Total Households | 96 |
| Percentage High Income Households | 4.2% |
| Median Household Income (2021) | $23,393 |
| Average Adjusted Gross Income (2021) | $41,880 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 4.2% |
| Majority Race/Ethnicity | Native American - 98.31% |
| Public School Majority Race/Ethnicity | Native American - 95.9% |
57658 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 4 | 0.97% |
| Black | 0 | 0% |
| Hispanic | 3 | 0.73% |
| Asian | 0 | 0% |
| Native American | 406 | 98.31% |
| Hawaiian/Pac. Islander | 0 | 0% |
57658 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 0 | 0% |
| Black | 0 | 0% |
| Hispanic | 2 | 1.06% |
| Asian | 0 | 0% |
| Native American | 187 | 98.94% |
| Hawaiian/Pac. Islander | 0 | 0% |
57658 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 5 | 2.84% |
| Bachelor Degree | 10 | 5.68% |
| High School Diploma | 57 | 32.39% |
| No High School Diploma | 1 | 0.57% |
| GED or Alternate | 53 | 30.11% |
| 1 or More Years of College | 30 | 17.05% |
| Associates Degree | 15 | 8.52% |
| Masters Degree | 5 | 2.84% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
