Comparison to Surrounding Areas
The median household income ($78,434) for 51106 is less than the median household income for 51007 ($117,125), 51030 ($86,167), 51054 ($119,716), and 51108 ($81,205). But it's more than 51103 ($58,197), 51111 ($-1), 68776 ($68,750), 51101 ($15,300), 51105 ($51,786), Woodbury County ($73,658), and Sioux City city ($68,906).
| 51106 | $78,434 |
| Sioux City city | $68,906 |
| Woodbury County | $73,658 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($97,990) for 51106 is less than the average household income for 51007 ($122,484), 51030 ($109,580), 51054 ($134,282), and 51108 ($104,784). But it's more than 51103 ($72,702), 51111 ($-1), 68776 ($89,732), 51101 ($30,200), 51105 ($66,882), Woodbury County ($90,682), and Sioux City city ($86,214).
| 51106 | $97,990 |
| Sioux City city | $86,214 |
| Woodbury County | $90,682 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 51106 is $39,145. The per capita income ($39,145) for 51106 is less than the per capita income for 51007 ($48,282), 51030 ($44,803), and 51054 ($47,922). But it's more than 68776 ($31,725), 51108 ($38,642), 51111 ($29,128), 51101 ($21,580), 51103 ($27,717), 51105 ($24,008), Woodbury County ($35,564), and Sioux City city ($33,795).
| 51106 | $39,145 |
| Sioux City city | $33,795 |
| Woodbury County | $35,564 |
Get Per-Capita Income for all Zip Codes in Iowa.
11% of households make over $200,000 a year. The percent high income households (11.0%) for 51106 is less than the percent high income households for 51007 (19.6%) and 51054 (18.8%). But it's more than 68776 (3.5%), 51108 (10.3%), 51111 (0.0%), 51101 (0.0%), 51103 (2.3%), 51105 (3.4%), Woodbury County (7.0%), and Sioux City city (6.1%). And it's the same as 51030 (11.0%).
| 51106 | 11.0% |
| Sioux City city | 6.1% |
| Woodbury County | 7.0% |
Get High Income Households for all Zip Codes in Iowa.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 51106 | $-1 | $82,381 | $108,710 | $48,886 |
| Sioux City city | $55,069 | $77,969 | $86,547 | $46,909 |
| Woodbury County | $55,368 | $81,268 | $88,314 | $50,680 |
Get Median Household Income by Age of Householder for all Zip Codes in Iowa.
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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 51106 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+ | |||||
| 51106 | +/-$6,139 | +/-$7,195 | +/-$2,714 | +/-3.5% | +/-$-1 | +/-$8,563 | +/-$14,311 | +/-$7,512 |
| Sioux City city | +/-$4,550 | +/-$3,658 | +/-$1,388 | +/-1.4% | +/-$15,963 | +/-$4,262 | +/-$6,439 | +/-$2,666 |
| Woodbury County | +/-$2,611 | +/-$2,937 | +/-$1,120 | +/-1.2% | +/-$13,152 | +/-$5,067 | +/-$6,529 | +/-$3,089 |