51031 Income Statistics

Comparison to Surrounding Areas

51031 Median Household Income

The median household income ($76,525) for 51031 is less than the median household income for 51050 ($92,500), 51038 ($95,893), 51041 ($83,643), 51045 ($113,750), 51003 ($101,250), 51024 ($114,219), 51027 ($100,893), 51028 ($78,000), 51036 ($122,841), Sioux County ($86,098), Plymouth County ($83,251), and Oyens city ($100,625). But it's more than 51001 ($75,404), 51008 ($45,000), Craig city ($50,000), Le Mars city ($74,701), and Struble city ($59,375).

51031$76,525
Craig city$50,000
Le Mars city$74,701
Oyens city$100,625
Struble city$59,375
Plymouth County$83,251
Sioux County$86,098

Get Median Household Income for all Zip Codes in Iowa.

51031 Average Household Income

The average household income ($92,229) for 51031 is less than the average household income for 51050 ($116,488), 51038 ($100,639), 51041 ($100,229), 51045 ($122,717), 51003 ($114,618), 51024 ($121,897), 51027 ($112,634), 51028 ($100,107), 51036 ($111,331), Sioux County ($104,988), Plymouth County ($101,116), and Oyens city ($112,639). But it's more than 51001 ($90,658), 51008 ($56,407), Craig city ($64,458), Le Mars city ($90,260), and Struble city ($70,191).

51031$92,229
Craig city$64,458
Le Mars city$90,260
Oyens city$112,639
Struble city$70,191
Plymouth County$101,116
Sioux County$104,988

Get Average Household Income for all Zip Codes in Iowa.

51031 Per-Capita Income

The per-capita income for 51031 is $38,599. The per capita income ($38,599) for 51031 is less than the per capita income for 51050 ($42,233), 51036 ($50,649), 51045 ($46,541), 51001 ($40,845), 51003 ($44,417), 51024 ($48,658), 51028 ($41,829), Plymouth County ($41,532), and Oyens city ($44,670). But it's more than 51041 ($35,441), 51008 ($20,338), 51027 ($36,551), 51038 ($37,652), Sioux County ($37,166), Craig city ($32,624), Le Mars city ($37,904), and Struble city ($33,467).

51031$38,599
Craig city$32,624
Le Mars city$37,904
Oyens city$44,670
Struble city$33,467
Plymouth County$41,532
Sioux County$37,166

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

51031 High Income Households

6.3% of households make over $200,000 a year. The percent high income households (6.3%) for 51031 is less than the percent high income households for 51050 (9.3%), 51028 (7.5%), 51036 (8.1%), 51041 (10.4%), 51045 (16.7%), 51003 (12.1%), 51024 (9.5%), 51027 (13.0%), Sioux County (10.0%), Plymouth County (7.6%), Le Mars city (6.6%), and Oyens city (12.9%). But it's more than 51001 (4.8%), 51008 (0.0%), 51038 (3.4%), Craig city (0.0%), and Struble city (0.0%).

510316.3%
Craig city0.0%
Le Mars city6.6%
Oyens city12.9%
Struble city0.0%
Plymouth County7.6%
Sioux County10.0%

Get High Income Households for all Zip Codes in Iowa.

51031 Median Household Income by Age of Householder

under 25 years 25 to 44 years 45 to 64 years 65 years and over
51031$56,319$90,343$85,968$45,000
Craig city$-1$-1$76,875$-1
Le Mars city$62,702$88,983$86,754$42,768
Oyens city$-1$76,250$126,750$51,875
Struble city$-1$-1$-1$60,625
Plymouth County$53,250$92,702$102,267$56,204
Sioux County$43,750$100,981$104,955$60,475

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

51031 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 51031 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+
51031+/-$5,735+/-$7,462+/-$2,951+/-2.0%+/-$13,011+/-$6,052+/-$17,780+/-$12,805
Craig city+/-$38,783+/-$22,100+/-$13,185+/-53.1%+/-$-1+/-$-1+/-$73,851+/-$-1
Le Mars city+/-$5,737+/-$8,117+/-$3,255+/-2.2%+/-$20,480+/-$7,704+/-$20,667+/-$12,857
Oyens city+/-$42,908+/-$36,766+/-$12,839+/-22.1%+/-$-1+/-$70,696+/-$64,789+/-$45,665
Struble city+/-$12,402+/-$19,362+/-$11,701+/-45.3%+/-$-1+/-$-1+/-$-1+/-$35,385
Plymouth County+/-$4,100+/-$4,760+/-$1,940+/-1.2%+/-$8,054+/-$6,730+/-$10,727+/-$5,836
Sioux County+/-$7,089+/-$4,769+/-$1,361+/-1.5%+/-$24,015+/-$6,602+/-$11,719+/-$4,877