ZIP Code 57641 has segments in 2 Counties (Corson, Sioux).
The ZIP Code maps and database are updated 4 times per year.
Database updated: June 1, 2025, Maps updated: May 1, 2024.
POPULATION | |
|---|---|
| Total Population | 382 (100%) |
| Population in Households | 382 (100.0%) |
| Population in Families | 313 (81.9%) |
| Population in Group Quarters1 | 0 |
| Population Density | 1 |
| Diversity Index2 | 47 |
INCOME | |
| Median Household Income | $66,101 |
| Average Household Income | $80,988 |
| % of Income for Mortgage4 | 11% |
| Per Capita Income | $26,077 |
| Wealth Index5 | 76 |
| Socioeconomic Status Index6 | Moderate (53.3) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 162 (100%) |
| Owner Occupied HU | 85 (52.5%) |
| Renter Occupied HU | 38 (23.5%) |
| Vacant Housing Units | 39 (24.1%) |
| Median Home Value | $117,188 |
| Average Home Value | $208,735 |
| Housing Affordability Index3 | 186 |
HOUSEHOLDS | |
| Total Households | 123 |
| Average Household Size | 3.11 |
| Family Households | 71 |
| Average Family Size | 4.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 8.49% | -0.05% |
| Households | 0.63% | -0.16% |
| Families | -0.28% | |
| Median Household Income | 2.14% | |
| Per Capita Income | 2.14% | |
| Owner Occupied HU | 2.25% |
The table below compares 57641 to the other 371 ZIP Codes in South Dakota by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 242 | 35th |
| Population Density | # 341 | 8th |
| Median Household Income | # 267 | 28th |
| Housing Affordability Index | # 336 | 91st |
| Per Capita Income | # 323 | 13th |
| Diversity Index | # 46 | 88th |
Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.