South Dakota Gazetteer
ZIP Code 57566 has segments in 2 Counties (Mellette, Todd).
The ZIP Code maps and database are updated 4 times per year.
Database updated: March 1, 2026, Maps updated: May 1, 2024.
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION | |
|---|---|
| Total Population | 1,184 (100%) |
| Population Density | 8 per sq mi |
| Diversity Index1 | 7 |
INCOME | |
| Median Household Income | $14,176 |
| Per Capita Income | $4,957 |
| Median Home Value | $12,200 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 261 (100%) |
| Owner Occupied HU | 56 (21.5%) |
| Renter Occupied HU | 173 (66.3%) |
| Vacant Housing Units | 32 (12.3%) |
HOUSEHOLDS | |
| Total Households | 229 |
| Average Household Size | 5.17 |
| Family Households | 225 (98.3%) |
The table below compares 57566 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates 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 | # 21960 | 35th |
| Population Density | # 29017 | 14th |
| Median Household Income | # 33722 | 1st |
| Per Capita Income | # 33622 | 1st |
| Diversity Index | # 28553 | 15th |
Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.
