Comparison to Surrounding Areas
The median household income ($50,417) for 57520 is less than the median household income for 57442 ($65,625), 57501 ($81,791), 57564 ($74,297), and Sully County ($72,578). But it's more than Agar town ($-1).
| 57520 | $50,417 |
| Agar town | $-1 |
| Sully County | $72,578 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($67,866) for 57520 is less than the average household income for 57442 ($87,860), 57501 ($100,596), 57564 ($97,741), and Sully County ($105,002). But it's more than Agar town ($65,410).
| 57520 | $67,866 |
| Agar town | $65,410 |
| Sully County | $105,002 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57520 is $41,566. The per capita income ($41,566) for 57520 is less than the per capita income for 57564 ($41,691) and Sully County ($46,134). But it's more than 57442 ($40,616), 57501 ($41,535), and Agar town ($39,015).
| 57520 | $41,566 |
| Agar town | $39,015 |
| Sully County | $46,134 |
Get Per-Capita Income for all Zip Codes in South Dakota.
3.9% of households make over $200,000 a year. The percent high income households (3.9%) for 57520 is less than 57442 (7.8%), 57501 (9.0%), 57564 (7.8%), Sully County (7.7%), and Agar town (5.9%).
| 57520 | 3.9% |
| Agar town | 5.9% |
| Sully County | 7.7% |
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 | |
|---|---|---|---|---|
| 57520 | $-1 | $63,625 | $43,750 | $19,167 |
| Agar town | $-1 | $-1 | $-1 | $19,063 |
| Sully County | $70,875 | $101,250 | $81,429 | $62,813 |
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 57520 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+ | |||||
| 57520 | +/-$28,201 | +/-$25,759 | +/-$15,514 | +/-5.1% | +/-$-1 | +/-$4,697 | +/-$12,676 | +/-$1,686 |
| Agar town | +/-$-1 | +/-$34,336 | +/-$19,888 | +/-7.6% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$4,822 |
| Sully County | +/-$6,950 | +/-$13,644 | +/-$5,982 | +/-2.4% | +/-$21,406 | +/-$36,980 | +/-$35,071 | +/-$19,176 |