51104 Income Statistics

Comparison to Surrounding Areas

51104 Median Household Income

The median household income ($75,362) for 51104 is less than the median household income for 51108 ($81,205). But it's more than 51103 ($58,197), 51105 ($51,786), Woodbury County ($73,658), and Sioux City city ($68,906).

51104$75,362
Sioux City city$68,906
Woodbury County$73,658

Get Median Household Income for all Zip Codes in Iowa.

51104 Average Household Income

The average household income ($93,231) for 51104 is less than the average household income for 51108 ($104,784). But it's more than 51103 ($72,702), 51105 ($66,882), Woodbury County ($90,682), and Sioux City city ($86,214).

51104$93,231
Sioux City city$86,214
Woodbury County$90,682

Get Average Household Income for all Zip Codes in Iowa.

51104 Per-Capita Income

The per-capita income for 51104 is $36,752. The per capita income ($36,752) for 51104 is less than the per capita income for 51108 ($38,642). But it's more than 51103 ($27,717), 51105 ($24,008), Woodbury County ($35,564), and Sioux City city ($33,795).

51104$36,752
Sioux City city$33,795
Woodbury County$35,564

Get Per-Capita Income for all Zip Codes in Iowa.

51104 High Income Households

5.2% of households make over $200,000 a year. The percent high income households (5.2%) for 51104 is less than the percent high income households for 51108 (10.3%), Woodbury County (7.0%), and Sioux City city (6.1%). But it's more than 51103 (2.3%) and 51105 (3.4%).

511045.2%
Sioux City city6.1%
Woodbury County7.0%

Get High Income Households for all Zip Codes in Iowa.

51104 Median Household Income by Age of Householder

under 25 years 25 to 44 years 45 to 64 years 65 years and over
51104$24,540$78,897$103,108$57,930
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.

51104 Map

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About the Data

Data Sources

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 51104 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.

The following data tables were used:

  • B19001 Household Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • B19013 Median Household Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • B19301 Per Capita Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • S1902 Mean Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • B19049 Median Household Income in the Past 12 Months (in 2024 inflation-adjusted dollars) By Age Of Householder

Margins of Error

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+
51104+/-$7,177+/-$4,992+/-$2,422+/-1.7%+/-$14,373+/-$14,015+/-$12,028+/-$8,729
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