Comparison to Surrounding Areas
The median household income ($56,667) for 57645 is less than the median household income for 57633 ($78,750), 57634 ($88,125), 57638 ($58,533), 57644 ($68,229), 57660 ($67,292), and 58529 ($65,536). But it's more than 58533 ($36,125), Corson County ($46,406), and Morristown town ($45,000).
| 57645 | $56,667 |
| Morristown town | $45,000 |
| Corson County | $46,406 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($85,676) for 57645 is less than the average household income for 57633 ($108,244), 57660 ($99,082), and 58529 ($101,033). But it's more than 57634 ($78,331), 57638 ($70,891), 57644 ($69,484), 58533 ($69,215), Corson County ($73,764), and Morristown town ($61,292).
| 57645 | $85,676 |
| Morristown town | $61,292 |
| Corson County | $73,764 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57645 is $37,215. The per capita income ($37,215) for 57645 is less than the per capita income for 57633 ($37,567), 57644 ($38,005), 57660 ($43,653), and 58529 ($40,896). But it's more than 57634 ($18,725), 57638 ($31,681), 58533 ($35,269), Corson County ($22,830), and Morristown town ($28,416).
| 57645 | $37,215 |
| Morristown town | $28,416 |
| Corson County | $22,830 |
Get Per-Capita Income for all Zip Codes in South Dakota.
3.8% of households make over $200,000 a year. The percent high income households (3.8%) for 57645 is less than the percent high income households for 57633 (18.0%), 57634 (12.5%), 57660 (4.1%), 58529 (9.8%), 58533 (6.2%), and Corson County (6.8%). But it's more than 57638 (2.8%), 57644 (0.0%), and Morristown town (0.0%).
| 57645 | 3.8% |
| Morristown town | 0.0% |
| Corson County | 6.8% |
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 | |
|---|---|---|---|---|
| 57645 | $-1 | $62,500 | $-1 | $-1 |
| Morristown town | $-1 | $56,667 | $-1 | $-1 |
| Corson County | $61,071 | $59,844 | $46,696 | $34,091 |
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 57645 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+ | |||||
| 57645 | +/-$34,927 | +/-$24,160 | +/-$10,861 | +/-5.1% | +/-$-1 | +/-$37,170 | +/-$-1 | +/-$-1 |
| Morristown town | +/-$24,129 | +/-$21,930 | +/-$8,470 | +/-43.3% | +/-$-1 | +/-$19,562 | +/-$-1 | +/-$-1 |
| Corson County | +/-$11,944 | +/-$7,733 | +/-$2,365 | +/-2.4% | +/-$40,039 | +/-$20,083 | +/-$23,954 | +/-$8,224 |