ZIP Code 57004 has segments in 3 Counties (Clay, Lincoln, Union).
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 | 3,604 (100%) |
| Population in Households | 3,551 (98.5%) |
| Population in Families | 2,871 (79.7%) |
| Population in Group Quarters1 | 53 ( 1.5%) |
| Population Density | 20 |
| Diversity Index2 | 23 |
INCOME | |
| Median Household Income | $89,430 |
| Average Household Income | $104,423 |
| % of Income for Mortgage4 | 21% |
| Per Capita Income | $42,443 |
| Wealth Index5 | 85 |
| Socioeconomic Status Index6 | Moderate (59.2) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 1,559 (100%) |
| Owner Occupied HU | 1,159 (74.3%) |
| Renter Occupied HU | 304 (19.5%) |
| Vacant Housing Units | 96 ( 6.2%) |
| Median Home Value | $292,170 |
| Average Home Value | $331,299 |
| Housing Affordability Index3 | 108 |
HOUSEHOLDS | |
| Total Households | 1,463 |
| Average Household Size | 2.43 |
| Family Households | 959 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 1.01% | 1.06% |
| Households | 1.08% | 0.99% |
| Families | 1.32% | |
| Median Household Income | 3.46% | |
| Per Capita Income | 2.20% | |
| Owner Occupied HU | 1.25% |
The table below compares 57004 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 | # 45 | 88th |
| Population Density | # 67 | 82nd |
| Median Household Income | # 64 | 83rd |
| Housing Affordability Index | # 189 | 51st |
| Per Capita Income | # 106 | 72nd |
| Diversity Index | # 165 | 56th |
Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.