Comparison to Surrounding Areas
The median household income ($97,500) for 57018 is less than the median household income for 57003 ($111,932), 57022 ($100,656), 57033 ($105,560), 57035 ($99,565), and 57041 ($158,393). But it's more than 57016 ($95,815), 57042 ($71,868), 57048 ($84,081), Lake County ($76,808), Minnehaha County ($76,880), and Colton city ($83,750).
| 57018 | $97,500 |
| Colton city | $83,750 |
| Lake County | $76,808 |
| Minnehaha County | $76,880 |
Get Median Household Income for all Zip Codes in South Dakota.
The average household income ($145,515) for 57018 is more than 57048 ($105,707), 57035 ($111,642), 57041 ($128,492), 57042 ($88,317), 57003 ($116,256), 57016 ($101,164), 57022 ($114,202), 57033 ($120,578), Minnehaha County ($102,921), Lake County ($104,754), and Colton city ($91,068).
| 57018 | $145,515 |
| Colton city | $91,068 |
| Lake County | $104,754 |
| Minnehaha County | $102,921 |
Get Average Household Income for all Zip Codes in South Dakota.
The per-capita income for 57018 is $55,070. The per capita income ($55,070) for 57018 is more than 57048 ($39,473), 57035 ($39,902), 57041 ($49,263), 57042 ($39,812), 57003 ($37,813), 57016 ($43,684), 57022 ($43,373), 57033 ($46,310), Minnehaha County ($43,062), Lake County ($45,963), and Colton city ($39,800).
| 57018 | $55,070 |
| Colton city | $39,800 |
| Lake County | $45,963 |
| Minnehaha County | $43,062 |
Get Per-Capita Income for all Zip Codes in South Dakota.
14.8% of households make over $200,000 a year. The percent high income households (14.8%) for 57018 is less than the percent high income households for 57048 (15.0%). But it's more than 57042 (5.5%), 57033 (12.6%), 57035 (8.5%), 57041 (0.0%), 57003 (9.7%), 57016 (6.4%), 57022 (13.7%), Minnehaha County (9.2%), Lake County (9.2%), and Colton city (1.9%).
| 57018 | 14.8% |
| Colton city | 1.9% |
| Lake County | 9.2% |
| Minnehaha County | 9.2% |
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 | |
|---|---|---|---|---|
| 57018 | $72,917 | $86,742 | $132,500 | $70,625 |
| Colton city | $72,917 | $84,750 | $121,250 | $49,750 |
| Lake County | $41,602 | $76,415 | $100,054 | $61,289 |
| Minnehaha County | $47,402 | $85,392 | $92,887 | $56,527 |
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 57018 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+ | |||||
| 57018 | +/-$22,239 | +/-$31,625 | +/-$13,456 | +/-6.3% | +/-$46,806 | +/-$26,584 | +/-$29,709 | +/-$43,762 |
| Colton city | +/-$28,090 | +/-$18,145 | +/-$7,487 | +/-2.0% | +/-$46,806 | +/-$30,557 | +/-$34,459 | +/-$44,615 |
| Lake County | +/-$7,301 | +/-$11,358 | +/-$5,223 | +/-2.2% | +/-$19,864 | +/-$8,369 | +/-$13,414 | +/-$17,772 |
| Minnehaha County | +/-$2,510 | +/-$2,768 | +/-$1,033 | +/-0.8% | +/-$8,022 | +/-$2,889 | +/-$5,177 | +/-$3,584 |