Comparison to Surrounding Areas
The median household income ($70,484) for 57430 is less than the median household income for 57270 ($77,708), 57454 ($81,250), 58032 ($85,329), 58043 ($130,694), and Marshall County ($78,156). But it's more than 58017 ($61,250), 57247 ($50,455), 57421 ($-1), 57446 ($44,375), Britton city ($62,898), Kidder CDP ($-1), Sunset Colony CDP ($-1), and Westwood Colony CDP ($-1).
| 57430 | $70,484 |
| Britton city | $62,898 |
| Kidder CDP | $-1 |
| Sunset Colony CDP | $-1 |
| Westwood Colony CDP | $-1 |
| Marshall County | $78,156 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($90,358) for 57430 is less than the average household income for 57270 ($90,927), 57454 ($101,878), 58017 ($95,931), 58032 ($120,506), 58043 ($159,058), and Marshall County ($103,822). But it's more than 57247 ($79,775), 57421 ($-1), 57446 ($64,647), Britton city ($88,643), Westwood Colony CDP ($-1), Kidder CDP ($-1), and Sunset Colony CDP ($-1).
| 57430 | $90,358 |
| Britton city | $88,643 |
| Kidder CDP | $-1 |
| Sunset Colony CDP | $-1 |
| Westwood Colony CDP | $-1 |
| Marshall County | $103,822 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57430 is $40,863. The per capita income ($40,863) for 57430 is less than the per capita income for 57247 ($51,623), 58017 ($46,590), 58032 ($50,699), 58043 ($67,531), and Marshall County ($43,791). But it's more than 57454 ($37,937), 57270 ($33,321), 57421 ($33,005), 57446 ($40,291), Britton city ($40,272), Kidder CDP ($-1), Sunset Colony CDP ($-1), and Westwood Colony CDP ($-1).
| 57430 | $40,863 |
| Britton city | $40,272 |
| Kidder CDP | $-1 |
| Sunset Colony CDP | $-1 |
| Westwood Colony CDP | $-1 |
| Marshall County | $43,791 |
Get Per-Capita Income for all Zip Codes in South Dakota.
5.7% of households make over $200,000 a year. The percent high income households (5.7%) for 57430 is less than the percent high income households for 57270 (8.9%), 57454 (7.6%), 58017 (6.8%), 58032 (10.1%), 58043 (17.9%), and Marshall County (8.5%). But it's more than 57247 (4.9%), 57421 (0.0%), 57446 (0.0%), Britton city (5.1%), Westwood Colony CDP (-1.0%), Kidder CDP (0.0%), and Sunset Colony CDP (-1.0%).
| 57430 | 5.7% |
| Britton city | 5.1% |
| Kidder CDP | 0.0% |
| Sunset Colony CDP | -1.0% |
| Westwood Colony CDP | -1.0% |
| Marshall County | 8.5% |
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 | |
|---|---|---|---|---|
| 57430 | $58,750 | $86,875 | $121,029 | $53,938 |
| Britton city | $49,306 | $54,250 | $118,750 | $54,500 |
| Kidder CDP | $-1 | $-1 | $-1 | $-1 |
| Sunset Colony CDP | $-1 | $-1 | $-1 | $-1 |
| Westwood Colony CDP | $-1 | $-1 | $-1 | $-1 |
| Marshall County | $51,250 | $85,500 | $104,286 | $59,097 |
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 57430 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+ | |||||
| 57430 | +/-$18,419 | +/-$12,182 | +/-$5,579 | +/-4.5% | +/-$26,024 | +/-$38,495 | +/-$41,316 | +/-$15,592 |
| Britton city | +/-$13,679 | +/-$17,658 | +/-$7,823 | +/-5.3% | +/-$8,821 | +/-$43,946 | +/-$53,070 | +/-$8,019 |
| Kidder CDP | +/-$-1 | +/-$-1 | +/-$-1 | +/-92.0% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Sunset Colony CDP | +/-$-1 | +/-$-1 | +/-$-1 | +/--1.0% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Westwood Colony CDP | +/-$-1 | +/-$-1 | +/-$-1 | +/--1.0% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Marshall County | +/-$10,504 | +/-$16,666 | +/-$6,542 | +/-4.0% | +/-$24,251 | +/-$14,835 | +/-$32,138 | +/-$9,994 |