Comparison to Surrounding Areas
The median household income ($56,827) for 57631 is less than the median household income for 57648 ($61,354), 57642 ($58,750), 57646 ($101,406), 57472 ($61,708), 57601 ($66,003), 57632 ($81,719), Walworth County ($65,026), and Campbell County ($68,929). But it's more than Glenham town ($50,625).
| 57631 | $56,827 |
| Glenham town | $50,625 |
| Campbell County | $68,929 |
| Walworth County | $65,026 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($98,613) for 57631 is less than the average household income for 57632 ($111,485) and Campbell County ($101,350). But it's more than 57601 ($86,958), 57646 ($98,597), 57648 ($92,031), 57472 ($76,712), 57642 ($79,838), Walworth County ($84,478), and Glenham town ($55,787).
| 57631 | $98,613 |
| Glenham town | $55,787 |
| Campbell County | $101,350 |
| Walworth County | $84,478 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57631 is $52,384. The per capita income ($52,384) for 57631 is more than 57648 ($45,749), 57632 ($49,317), 57642 ($24,031), 57646 ($38,411), 57472 ($31,142), 57601 ($40,729), Walworth County ($38,408), Campbell County ($46,377), and Glenham town ($33,800).
| 57631 | $52,384 |
| Glenham town | $33,800 |
| Campbell County | $46,377 |
| Walworth County | $38,408 |
Get Per-Capita Income for all Zip Codes in South Dakota.
14.5% of households make over $200,000 a year. The percent high income households (14.5%) for 57631 is more than 57648 (6.1%), 57632 (9.9%), 57642 (8.8%), 57646 (0.9%), 57472 (2.4%), 57601 (4.7%), Walworth County (4.9%), Campbell County (7.3%), and Glenham town (3.2%).
| 57631 | 14.5% |
| Glenham town | 3.2% |
| Campbell County | 7.3% |
| Walworth County | 4.9% |
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 | |
|---|---|---|---|---|
| 57631 | $-1 | $-1 | $-1 | $51,563 |
| Glenham town | $-1 | $-1 | $-1 | $33,571 |
| Campbell County | $-1 | $106,375 | $93,478 | $46,389 |
| Walworth County | $-1 | $67,364 | $94,671 | $40,568 |
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 57631 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+ | |||||
| 57631 | +/-$10,901 | +/-$29,287 | +/-$15,866 | +/-10.9% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$28,462 |
| Glenham town | +/-$43,229 | +/-$13,237 | +/-$9,609 | +/-5.3% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$25,285 |
| Campbell County | +/-$20,360 | +/-$14,734 | +/-$7,184 | +/-3.3% | +/-$-1 | +/-$1,786 | +/-$6,450 | +/-$4,143 |
| Walworth County | +/-$10,908 | +/-$12,112 | +/-$4,328 | +/-2.5% | +/-$-1 | +/-$23,860 | +/-$44,616 | +/-$14,576 |