57427 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 57427 is White. The current unemployment level in 57427 is 2.2%.
| Population | 438 |
| Population Growth Rate | -42.82% |
| Population Density | 7 People per Square Mile |
| Total Households | 234 |
| Median Household Income (2021) | $75,781 |
| Average Adjusted Gross Income (2021) | $454,170 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 4.2% |
| Majority Race/Ethnicty | White - 100.00% |
57427 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 422 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
57427 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 48 | 13.6% |
| Bachelor Degree | 65 | 18.41% |
| High School Diploma | 90 | 25.5% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 16 | 4.53% |
| 1 or More Years of College | 76 | 21.53% |
| Associates Degree | 58 | 16.43% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |