57020 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 57020 is White. The current unemployment level in 57020 is 2.2%.
| Population | 1,885 |
| Population Growth Rate | 6.78% |
| Population Density | 85 People per Square Mile |
| Total Households | 528 |
| Percentage High Income Households | 3.8% |
| Median Household Income (2021) | $111,964 |
| Average Adjusted Gross Income (2021) | $375,900 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicty | White - 98.47% |
57020 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 1,675 | 98.47% |
| Black | 0 | 0% |
| Hispanic | 21 | 1.23% |
| Asian | 0 | 0% |
| Native American | 5 | 0.29% |
| Hawaiian/Pac. Islander | 0 | 0% |
57020 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 66 | 6.57% |
| Bachelor Degree | 181 | 18.01% |
| High School Diploma | 312 | 31.04% |
| No High School Diploma | 4 | 0.4% |
| GED or Alternate | 39 | 3.88% |
| 1 or More Years of College | 144 | 14.33% |
| Associates Degree | 204 | 20.3% |
| Masters Degree | 34 | 3.38% |
| Professional Degree | 12 | 1.19% |
| Doctorate Degree | 9 | 0.9% |