Comparison to Surrounding Areas
The median household income ($101,406) for 57646 is more than 57452 ($53,571), 57631 ($56,827), 57632 ($81,719), 57437 ($49,276), 57472 ($61,708), Campbell County ($68,929), and Mound City town ($-1).
| 57646 | $101,406 |
| Mound City town | $-1 |
| Campbell County | $68,929 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($98,597) for 57646 is less than the average household income for 57437 ($102,125), 57631 ($98,613), 57632 ($111,485), and Campbell County ($101,350). But it's more than 57452 ($58,996), 57472 ($76,712), and Mound City town ($50,951).
| 57646 | $98,597 |
| Mound City town | $50,951 |
| Campbell County | $101,350 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57646 is $38,411. The per capita income ($38,411) for 57646 is less than the per capita income for 57437 ($51,925), 57631 ($52,384), 57632 ($49,317), and Campbell County ($46,377). But it's more than 57452 ($31,906), 57472 ($31,142), and Mound City town ($26,900).
| 57646 | $38,411 |
| Mound City town | $26,900 |
| Campbell County | $46,377 |
Get Per-Capita Income for all Zip Codes in South Dakota.
0.9% of households make over $200,000 a year. The percent high income households (0.9%) for 57646 is less than the percent high income households for 57437 (8.8%), 57472 (2.4%), 57631 (14.5%), 57632 (9.9%), Campbell County (7.3%), and Mound City town (2.9%). But it's more than 57452 (0.0%).
| 57646 | 0.9% |
| Mound City town | 2.9% |
| Campbell County | 7.3% |
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 | |
|---|---|---|---|---|
| 57646 | $-1 | $175,761 | $101,719 | $56,250 |
| Mound City town | $-1 | $60,625 | $-1 | $31,875 |
| Campbell County | $-1 | $106,375 | $93,478 | $46,389 |
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 57646 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+ | |||||
| 57646 | +/-$29,871 | +/-$20,677 | +/-$6,058 | +/-2.9% | +/-$-1 | +/-$87,584 | +/-$25,561 | +/-$35,537 |
| Mound City town | +/-$-1 | +/-$30,223 | +/-$9,992 | +/-8.7% | +/-$-1 | +/-$58,127 | +/-$-1 | +/-$18,008 |
| Campbell County | +/-$20,360 | +/-$14,734 | +/-$7,184 | +/-3.3% | +/-$-1 | +/-$1,786 | +/-$6,450 | +/-$4,143 |