Comparison to Surrounding Areas
The median household income ($58,533) for 57638 is less than the median household income for 57640 ($250,001), 57620 ($90,500), 57634 ($88,125), 58639 ($63,636), 57644 ($68,229), 58562 ($62,955), and Perkins County ($66,908). But it's more than 57645 ($56,667), 58533 ($36,125), 58646 ($56,667), Corson County ($46,406), and Lemmon city ($50,147).
| 57638 | $58,533 |
| Lemmon city | $50,147 |
| Corson County | $46,406 |
| Perkins County | $66,908 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($70,891) for 57638 is less than the average household income for 58646 ($88,408), 58562 ($73,184), 58639 ($79,614), 57620 ($103,186), 57634 ($78,331), 57640 ($847,387), 57645 ($85,676), Perkins County ($105,323), and Corson County ($73,764). But it's more than 57644 ($69,484), 58533 ($69,215), and Lemmon city ($62,408).
| 57638 | $70,891 |
| Lemmon city | $62,408 |
| Corson County | $73,764 |
| Perkins County | $105,323 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57638 is $31,681. The per capita income ($31,681) for 57638 is less than the per capita income for 58646 ($44,441), 57620 ($43,062), 57640 ($622,346), 57644 ($38,005), 57645 ($37,215), 58533 ($35,269), 58639 ($38,670), and Perkins County ($46,783). But it's more than 57634 ($18,725), 58562 ($30,917), Corson County ($22,830), and Lemmon city ($29,342).
| 57638 | $31,681 |
| Lemmon city | $29,342 |
| Corson County | $22,830 |
| Perkins County | $46,783 |
Get Per-Capita Income for all Zip Codes in South Dakota.
2.8% of households make over $200,000 a year. The percent high income households (2.8%) for 57638 is less than the percent high income households for 58646 (7.9%), 58533 (6.2%), 58562 (2.9%), 58639 (5.6%), 57620 (8.6%), 57634 (12.5%), 57640 (66.7%), 57645 (3.8%), Perkins County (8.4%), Corson County (6.8%), and Lemmon city (3.1%). But it's more than 57644 (0.0%).
| 57638 | 2.8% |
| Lemmon city | 3.1% |
| Corson County | 6.8% |
| Perkins County | 8.4% |
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 | |
|---|---|---|---|---|
| 57638 | $-1 | $53,750 | $71,500 | $53,750 |
| Lemmon city | $-1 | $51,389 | $64,000 | $33,611 |
| Corson County | $61,071 | $59,844 | $46,696 | $34,091 |
| Perkins County | $42,250 | $63,500 | $91,083 | $65,750 |
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 57638 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+ | |||||
| 57638 | +/-$10,071 | +/-$8,086 | +/-$3,043 | +/-1.7% | +/-$-1 | +/-$22,365 | +/-$37,577 | +/-$16,235 |
| Lemmon city | +/-$16,077 | +/-$7,646 | +/-$3,497 | +/-2.1% | +/-$-1 | +/-$24,066 | +/-$21,326 | +/-$7,569 |
| Corson County | +/-$11,944 | +/-$7,733 | +/-$2,365 | +/-2.4% | +/-$40,039 | +/-$20,083 | +/-$23,954 | +/-$8,224 |
| Perkins County | +/-$9,644 | +/-$25,019 | +/-$11,017 | +/-3.5% | +/-$19,485 | +/-$12,840 | +/-$17,438 | +/-$15,285 |