Comparison to Surrounding Areas
The median household income ($76,488) for 57021 is less than the median household income for 57014 ($77,000), 57015 ($110,250), 57036 ($85,000), 57039 ($83,787), and Davis town ($85,000). But it's more than 57070 ($61,522) and Turner County ($75,771).
| 57021 | $76,488 |
| Davis town | $85,000 |
| Turner County | $75,771 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($77,275) for 57021 is less than the average household income for 57014 ($102,377), 57015 ($122,373), 57036 ($107,777), 57039 ($106,383), Turner County ($90,459), and Davis town ($87,986). But it's more than 57070 ($77,260).
| 57021 | $77,275 |
| Davis town | $87,986 |
| Turner County | $90,459 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57021 is $32,436. The per capita income ($32,436) for 57021 is less than 57015 ($39,125), 57039 ($42,197), 57070 ($32,929), 57014 ($41,778), 57036 ($45,576), Turner County ($36,868), and Davis town ($40,967).
| 57021 | $32,436 |
| Davis town | $40,967 |
| Turner County | $36,868 |
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 57021 is less than 57014 (9.6%), 57015 (6.7%), 57036 (5.8%), 57039 (8.3%), 57070 (4.1%), and Turner County (5.1%). And it's the same as Davis town (0.0%).
| 57021 | 0.0% |
| Davis town | 0.0% |
| Turner County | 5.1% |
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 | |
|---|---|---|---|---|
| 57021 | $-1 | $118,750 | $76,341 | $36,875 |
| Davis town | $-1 | $115,500 | $-1 | $-1 |
| Turner County | $40,819 | $92,905 | $90,429 | $48,897 |
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 57021 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+ | |||||
| 57021 | +/-$6,270 | +/-$11,751 | +/-$5,906 | +/-17.9% | +/-$-1 | +/-$5,683 | +/-$3,706 | +/-$29,223 |
| Davis town | +/-$53,924 | +/-$28,584 | +/-$16,188 | +/-43.3% | +/-$-1 | +/-$8,536 | +/-$-1 | +/-$-1 |
| Turner County | +/-$3,090 | +/-$5,057 | +/-$2,046 | +/-1.3% | +/-$2,277 | +/-$6,350 | +/-$6,527 | +/-$7,139 |