51003 Income Statistics

Comparison to Surrounding Areas

51003 Median Household Income

The median household income ($101,250) for 51003 is more than 51238 ($74,000), 51031 ($76,525), 51041 ($83,643), 51050 ($92,500), 51022 ($96,505), Sioux County ($86,098), Alton city ($98,036), and Orange City city ($82,122).

51003$101,250
Alton city$98,036
Orange City city$82,122
Sioux County$86,098

Get Median Household Income for all Zip Codes in Iowa.

51003 Average Household Income

The average household income ($114,618) for 51003 is less than the average household income for 51050 ($116,488). But it's more than 51022 ($97,016), 51031 ($92,229), 51041 ($100,229), 51238 ($90,449), Sioux County ($104,988), Alton city ($108,810), and Orange City city ($94,372).

51003$114,618
Alton city$108,810
Orange City city$94,372
Sioux County$104,988

Get Average Household Income for all Zip Codes in Iowa.

51003 Per-Capita Income

The per-capita income for 51003 is $44,417. The per capita income ($44,417) for 51003 is less than the per capita income for Alton city ($46,530). But it's more than 51031 ($38,599), 51050 ($42,233), 51238 ($33,317), 51022 ($40,177), 51041 ($35,441), Sioux County ($37,166), and Orange City city ($33,634).

51003$44,417
Alton city$46,530
Orange City city$33,634
Sioux County$37,166

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

51003 High Income Households

12.1% of households make over $200,000 a year. The percent high income households (12.1%) for 51003 is more than 51238 (4.9%), 51031 (6.3%), 51041 (10.4%), 51050 (9.3%), 51022 (2.3%), Sioux County (10.0%), Alton city (8.3%), and Orange City city (9.2%).

5100312.1%
Alton city8.3%
Orange City city9.2%
Sioux County10.0%

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51003 Median Household Income by Age of Householder

under 25 years 25 to 44 years 45 to 64 years 65 years and over
51003$158,125$100,547$115,000$44,500
Alton city$158,125$100,417$107,188$43,750
Orange City city$17,997$84,861$110,625$75,288
Sioux County$43,750$100,981$104,955$60,475

Get Median Household Income by Age of Householder for all Zip Codes in Iowa.

51003 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 51003 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+
51003+/-$13,167+/-$12,104+/-$6,181+/-5.5%+/-$106,492+/-$8,097+/-$15,689+/-$37,862
Alton city+/-$14,555+/-$12,441+/-$6,545+/-3.8%+/-$106,492+/-$12,938+/-$12,714+/-$33,635
Orange City city+/-$2,640+/-$8,446+/-$3,032+/-3.5%+/-$15,083+/-$23,019+/-$31,969+/-$21,648
Sioux County+/-$7,089+/-$4,769+/-$1,361+/-1.5%+/-$24,015+/-$6,602+/-$11,719+/-$4,877