57255 can be classified socioeconomically as Lower 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 57255 is White. The current unemployment level in 57255 is 2.2%.
| Population | 526 |
| Population Growth Rate | -8.02% |
| Population Density | 6 People per Square Mile |
| Total Households | 185 |
| Percentage High Income Households | 12.4% |
| Median Household Income (2021) | $53,162 |
| Average Adjusted Gross Income (2021) | $170,430 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicty | White - 72.28% |
57255 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 266 | 72.28% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 3 | 0.82% |
| Native American | 99 | 26.9% |
| Hawaiian/Pac. Islander | 0 | 0% |
57255 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 4 | 1.44% |
| Bachelor Degree | 19 | 6.86% |
| High School Diploma | 139 | 50.18% |
| No High School Diploma | 1 | 0.36% |
| GED or Alternate | 17 | 6.14% |
| 1 or More Years of College | 73 | 26.35% |
| Associates Degree | 22 | 7.94% |
| Masters Degree | 0 | 0% |
| Professional Degree | 2 | 0.72% |
| Doctorate Degree | 0 | 0% |