Comparison to Surrounding Areas
The median household income ($56,250) for 57051 is less than the median household income for 57349 ($75,179), 57212 ($93,750), 57231 ($78,646), 57249 ($63,182), 57054 ($86,875), 57076 ($118,281), Lake County ($76,808), Miner County ($76,140), and Kingsbury County ($74,000). But it's more than Oldham city ($33,750).
| 57051 | $56,250 |
| Oldham city | $33,750 |
| Kingsbury County | $74,000 |
| Lake County | $76,808 |
| Miner County | $76,140 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($78,961) for 57051 is less than the average household income for 57349 ($123,898), 57212 ($102,034), 57231 ($96,356), 57249 ($80,758), 57054 ($113,548), 57076 ($137,202), Lake County ($104,754), Miner County ($112,618), and Kingsbury County ($88,285). But it's more than Oldham city ($51,069).
| 57051 | $78,961 |
| Oldham city | $51,069 |
| Kingsbury County | $88,285 |
| Lake County | $104,754 |
| Miner County | $112,618 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57051 is $50,626. The per capita income ($50,626) for 57051 is less than the per capita income for 57076 ($51,469) and 57349 ($53,182). But it's more than 57249 ($37,442), 57054 ($39,061), 57212 ($42,272), 57231 ($41,058), Kingsbury County ($37,027), Lake County ($45,963), Miner County ($48,168), and Oldham city ($33,264).
| 57051 | $50,626 |
| Oldham city | $33,264 |
| Kingsbury County | $37,027 |
| Lake County | $45,963 |
| Miner County | $48,168 |
Get Per-Capita Income for all Zip Codes in South Dakota.
3.2% of households make over $200,000 a year. The percent high income households (3.2%) for 57051 is less than 57349 (8.1%), 57076 (9.6%), 57212 (6.0%), 57231 (7.6%), 57249 (5.2%), 57054 (21.2%), Lake County (9.2%), Miner County (7.1%), Kingsbury County (5.7%), and Oldham city (4.2%).
| 57051 | 3.2% |
| Oldham city | 4.2% |
| Kingsbury County | 5.7% |
| Lake County | 9.2% |
| Miner County | 7.1% |
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 | |
|---|---|---|---|---|
| 57051 | $-1 | $46,250 | $56,875 | $-1 |
| Oldham city | $-1 | $46,250 | $-1 | $29,063 |
| Kingsbury County | $55,521 | $79,524 | $102,546 | $52,353 |
| Lake County | $41,602 | $76,415 | $100,054 | $61,289 |
| Miner County | $41,786 | $76,859 | $96,750 | $64,135 |
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 57051 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+ | |||||
| 57051 | +/-$35,272 | +/-$27,433 | +/-$14,209 | +/-3.5% | +/-$-1 | +/-$18,995 | +/-$45,214 | +/-$-1 |
| Oldham city | +/-$12,014 | +/-$16,405 | +/-$11,452 | +/-5.5% | +/-$-1 | +/-$19,844 | +/-$-1 | +/-$7,552 |
| Kingsbury County | +/-$6,554 | +/-$4,741 | +/-$1,685 | +/-1.6% | +/-$7,435 | +/-$11,855 | +/-$12,452 | +/-$10,837 |
| Lake County | +/-$7,301 | +/-$11,358 | +/-$5,223 | +/-2.2% | +/-$19,864 | +/-$8,369 | +/-$13,414 | +/-$17,772 |
| Miner County | +/-$5,254 | +/-$28,845 | +/-$13,918 | +/-3.4% | +/-$4,611 | +/-$9,060 | +/-$14,276 | +/-$11,910 |