Comparison to Surrounding Areas
The median household income ($84,948) for 57445 is less than the median household income for 57422 ($88,125), 57432 ($112,765), 57474 ($100,833), and Groton city ($89,861). But it's more than 57401 ($68,835), 57427 ($83,977), 57433 ($50,417), 57434 ($73,393), 57439 ($-1), and Brown County ($70,898).
| 57445 | $84,948 |
| Groton city | $89,861 |
| Brown County | $70,898 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($108,789) for 57445 is less than the average household income for 57434 ($138,876) and 57474 ($122,469). But it's more than 57439 ($-1), 57432 ($100,730), 57433 ($63,464), 57401 ($89,727), 57422 ($97,982), 57427 ($107,280), Brown County ($92,772), and Groton city ($107,886).
| 57445 | $108,789 |
| Groton city | $107,886 |
| Brown County | $92,772 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57445 is $46,542. The per capita income ($46,542) for 57445 is less than the per capita income for 57427 ($49,728) and 57434 ($57,290). But it's more than 57474 ($44,261), 57433 ($34,722), 57439 ($-1), 57401 ($40,078), 57422 ($42,711), 57432 ($29,936), Brown County ($40,863), and Groton city ($40,980).
| 57445 | $46,542 |
| Groton city | $40,980 |
| Brown County | $40,863 |
Get Per-Capita Income for all Zip Codes in South Dakota.
14.6% of households make over $200,000 a year. The percent high income households (14.6%) for 57445 is less than the percent high income households for 57427 (18.6%) and 57434 (24.2%). But it's more than 57474 (13.1%), 57433 (2.3%), 57439 (-1.0%), 57401 (6.7%), 57422 (8.5%), 57432 (4.6%), Brown County (7.5%), and Groton city (12.6%).
| 57445 | 14.6% |
| Groton city | 12.6% |
| Brown County | 7.5% |
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 | |
|---|---|---|---|---|
| 57445 | $59,875 | $107,404 | $103,814 | $47,805 |
| Groton city | $59,875 | $106,827 | $116,550 | $48,250 |
| Brown County | $43,591 | $78,557 | $82,349 | $49,775 |
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 57445 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+ | |||||
| 57445 | +/-$21,854 | +/-$17,311 | +/-$8,345 | +/-6.2% | +/-$54,711 | +/-$48,429 | +/-$14,300 | +/-$16,230 |
| Groton city | +/-$24,523 | +/-$12,078 | +/-$5,142 | +/-5.6% | +/-$54,711 | +/-$38,805 | +/-$15,456 | +/-$24,384 |
| Brown County | +/-$3,639 | +/-$5,233 | +/-$2,124 | +/-1.3% | +/-$10,690 | +/-$7,755 | +/-$9,924 | +/-$8,640 |