Comparison to Surrounding Areas
The median household income ($70,096) for 57551 is less than the median household income for 57547 ($78,523), 57752 ($82,604), and 69218 ($78,672). But it's more than 69343 ($59,741), 57714 ($-1), 57716 ($-1), 57560 ($-1), 57566 ($14,176), 57572 ($40,417), 57574 ($2,499), 57577 ($20,625), Bennett County ($53,750), and Martin city ($54,063).
| 57551 | $70,096 |
| Martin city | $54,063 |
| Bennett County | $53,750 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($69,403) for 57551 is less than the average household income for 57547 ($107,132), 69218 ($117,271), and 69343 ($89,679). But it's more than 57752 ($61,464), 57714 ($38,206), 57716 ($63,421), 57560 ($21,587), 57566 ($23,162), 57572 ($50,453), 57574 ($32,684), 57577 ($31,157), Bennett County ($59,835), and Martin city ($66,854).
| 57551 | $69,403 |
| Martin city | $66,854 |
| Bennett County | $59,835 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57551 is $25,744. The per capita income ($25,744) for 57551 is less than the per capita income for 57547 ($35,699), 69218 ($39,743), 69343 ($38,553), and Martin city ($28,499). But it's more than 57752 ($17,209), 57560 ($8,181), 57566 ($4,957), 57572 ($12,810), 57574 ($16,393), 57577 ($8,138), 57714 ($6,785), 57716 ($24,338), and Bennett County ($18,895).
| 57551 | $25,744 |
| Martin city | $28,499 |
| Bennett County | $18,895 |
Get Per-Capita Income for all Zip Codes in South Dakota.
1.7% of households make over $200,000 a year. The percent high income households (1.7%) for 57551 is less than the percent high income households for 57547 (10.8%), 57572 (3.7%), 57716 (6.0%), 69218 (25.9%), and 69343 (3.8%). But it's more than 57752 (0.0%), 57577 (0.0%), 57714 (0.0%), 57560 (0.0%), 57566 (0.0%), 57574 (0.0%), Bennett County (1.2%), and Martin city (1.3%).
| 57551 | 1.7% |
| Martin city | 1.3% |
| Bennett County | 1.2% |
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 | |
|---|---|---|---|---|
| 57551 | $-1 | $74,464 | $74,828 | $40,714 |
| Martin city | $-1 | $66,667 | $73,750 | $38,214 |
| Bennett County | $-1 | $71,618 | $73,276 | $38,929 |
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 57551 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+ | |||||
| 57551 | +/-$16,798 | +/-$10,267 | +/-$3,672 | +/-1.8% | +/-$-1 | +/-$19,310 | +/-$29,594 | +/-$9,721 |
| Martin city | +/-$22,923 | +/-$10,315 | +/-$5,790 | +/-2.1% | +/-$-1 | +/-$23,722 | +/-$35,897 | +/-$22,097 |
| Bennett County | +/-$17,540 | +/-$8,912 | +/-$2,784 | +/-1.4% | +/-$-1 | +/-$18,709 | +/-$19,080 | +/-$10,652 |