ZIP Code 57434 has segments in 4 Counties (Brown, Clark, Day, Spink).
The ZIP Code maps and database are updated 4 times per year.
Database updated: October 1, 2025, Maps updated: May 1, 2024.
POPULATION | |
|---|---|
| Total Population | 509 (100%) |
| Population in Households | 509 (100.0%) |
| Population in Families | 439 (86.2%) |
| Population in Group Quarters1 | 0 |
| Population Density | 2 |
| Diversity Index2 | 10 |
INCOME | |
| Median Household Income | $89,971 |
| Average Household Income | $128,711 |
| % of Income for Mortgage4 | 9% |
| Per Capita Income | $46,781 |
| Wealth Index5 | 123 |
| Socioeconomic Status Index6 | Moderate (61.2) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 245 (100%) |
| Owner Occupied HU | 152 (62.0%) |
| Renter Occupied HU | 33 (13.5%) |
| Vacant Housing Units | 60 (24.5%) |
| Median Home Value | $131,250 |
| Average Home Value | $300,822 |
| Housing Affordability Index3 | 232 |
HOUSEHOLDS | |
| Total Households | 185 |
| Average Household Size | 2.75 |
| Family Households | 128 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 3.22% | 0.08% |
| Households | -0.41% | -0.22% |
| Families | -0.79% | |
| Median Household Income | 0.81% | |
| Per Capita Income | 1.49% | |
| Owner Occupied HU | 0.65% |
The table below compares 57434 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 | # 204 | 45th |
| Population Density | # 298 | 20th |
| Median Household Income | # 59 | 84th |
| Housing Affordability Index | # 357 | 96th |
| Per Capita Income | # 66 | 82nd |
| Diversity Index | # 342 | 8th |
Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.