Comparison to Surrounding Areas
The median household income ($-1) for 57439 is less than 57434 ($73,393), 57445 ($84,948), and Brown County ($70,898). And it's the same as Ferney CDP ($-1).
| 57439 | $-1 |
| Ferney CDP | $-1 |
| Brown County | $70,898 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($-1) for 57439 is less than 57434 ($138,876), 57445 ($108,789), and Brown County ($92,772). And it's the same as Ferney CDP ($-1).
| 57439 | $-1 |
| Ferney CDP | $-1 |
| Brown County | $92,772 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57439 is $-1. The per capita income ($-1) for 57439 is less than 57434 ($57,290), 57445 ($46,542), and Brown County ($40,863). And it's the same as Ferney CDP ($-1).
| 57439 | $-1 |
| Ferney CDP | $-1 |
| Brown County | $40,863 |
Get Per-Capita Income for all Zip Codes in South Dakota.
-1% of households make over $200,000 a year. The percent high income households (-1.0%) for 57439 is less than 57434 (24.2%), 57445 (14.6%), and Brown County (7.5%). And it's the same as Ferney CDP (-1.0%).
| 57439 | -1.0% |
| Ferney CDP | -1.0% |
| 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 | |
|---|---|---|---|---|
| 57439 | $-1 | $-1 | $-1 | $-1 |
| Ferney CDP | $-1 | $-1 | $-1 | $-1 |
| Brown County | $43,591 | $78,557 | $82,349 | $49,775 |
Get Median Household Income by Age of Householder for all Zip Codes in South Dakota.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 57439 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 57439 | +/-$-1 | +/-$-1 | +/-$-1 | +/--1.0% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Ferney CDP | +/-$-1 | +/-$-1 | +/-$-1 | +/--1.0% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Brown County | +/-$3,639 | +/-$5,233 | +/-$2,124 | +/-1.3% | +/-$10,690 | +/-$7,755 | +/-$9,924 | +/-$8,640 |