57577 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 57577 is Native American. The majority race/ethnicity attending public schools in 57577 is Native American. The current unemployment level in 57577 is 2.2%.
| Population | 1,175 |
| Population Growth Rate | -19.55% |
| Population Density | 2 People per Square Mile |
| Total Households | 303 |
| Median Household Income (2021) | $21,059 |
| Average Adjusted Gross Income (2021) | $88,970 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 8.4% |
| Majority Race/Ethnicty | Native American - 91.91% |
| Public School Majority Race/Ethnicty | Native American - 100.00% |
57577 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 76 | 6.08% |
| Black | 10 | 0.8% |
| Hispanic | 12 | 0.96% |
| Asian | 3 | 0.24% |
| Native American | 1,148 | 91.91% |
| Hawaiian/Pac. Islander | 0 | 0% |
57577 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 0 | 0% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 212 | 100% |
| Hawaiian/Pac. Islander | 0 | 0% |
57577 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 36 | 8.72% |
| Bachelor Degree | 45 | 10.9% |
| High School Diploma | 107 | 25.91% |
| No High School Diploma | 15 | 3.63% |
| GED or Alternate | 43 | 10.41% |
| 1 or More Years of College | 115 | 27.85% |
| Associates Degree | 52 | 12.59% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |