Comparison to Surrounding Areas
The median household income ($-1) for 57630 is less than 57601 ($66,003), 57656 ($66,094), 57661 ($55,000), Dewey County ($54,104), and Whitehorse CDP ($59,250). And it's the same as 57657 ($-1).
| 57630 | $-1 |
| Whitehorse CDP | $59,250 |
| Dewey County | $54,104 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($105,333) for 57630 is more than 57601 ($86,958), 57656 ($84,522), 57657 ($67,509), 57661 ($45,563), Dewey County ($68,205), and Whitehorse CDP ($45,878).
| 57630 | $105,333 |
| Whitehorse CDP | $45,878 |
| Dewey County | $68,205 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57630 is $83,973. The per capita income ($83,973) for 57630 is more than 57601 ($40,729), 57656 ($30,983), 57657 ($21,400), 57661 ($14,135), Dewey County ($21,560), and Whitehorse CDP ($13,658).
| 57630 | $83,973 |
| Whitehorse CDP | $13,658 |
| Dewey County | $21,560 |
Get Per-Capita Income for all Zip Codes in South Dakota.
0% of households make over $200,000 a year. The percent high income households (0.0%) for 57630 is less than 57601 (4.7%), 57656 (4.0%), and Dewey County (2.7%). And it's the same as 57657 (0.0%), 57661 (0.0%), and Whitehorse CDP (0.0%).
| 57630 | 0.0% |
| Whitehorse CDP | 0.0% |
| Dewey County | 2.7% |
Get High Income Households for all Zip Codes in South Dakota.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 57630 | $-1 | $-1 | $-1 | $-1 |
| Whitehorse CDP | $-1 | $-1 | $65,278 | $-1 |
| Dewey County | $31,635 | $61,875 | $62,292 | $35,625 |
Get Median Household Income by Age of Householder for all Zip Codes in South Dakota.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 57630 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 57630 | +/-$-1 | +/-$51,752 | +/-$58,148 | +/-86.7% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Whitehorse CDP | +/-$43,461 | +/-$15,864 | +/-$4,705 | +/-37.1% | +/-$-1 | +/-$-1 | +/-$57,760 | +/-$-1 |
| Dewey County | +/-$5,497 | +/-$4,408 | +/-$1,418 | +/-1.3% | +/-$29,021 | +/-$6,246 | +/-$14,617 | +/-$5,688 |