58631 Income Statistics

Comparison to Surrounding Areas

58631 Median Household Income

The median household income ($58,036) for 58631 is less than the median household income for 58638 ($63,854), 58563 ($78,214), 58580 ($110,347), 58520 ($96,188), 58523 ($81,806), 58562 ($62,955), Morton County ($79,382), and Mercer County ($80,946). But it's more than 58533 ($36,125), 58646 ($56,667), Grant County ($57,875), and Glen Ullin city ($50,357).

58631$58,036
Glen Ullin city$50,357
Grant County$57,875
Mercer County$80,946
Morton County$79,382

Get Median Household Income for all Zip Codes in North Dakota.

58631 Average Household Income

The average household income ($81,594) for 58631 is less than the average household income for 58646 ($88,408), 58563 ($95,073), 58580 ($119,684), 58638 ($84,487), 58520 ($103,344), 58523 ($90,186), Mercer County ($96,779), Morton County ($109,606), and Grant County ($83,261). But it's more than 58533 ($69,215), 58562 ($73,184), and Glen Ullin city ($68,810).

58631$81,594
Glen Ullin city$68,810
Grant County$83,261
Mercer County$96,779
Morton County$109,606

Get Average Household Income for all Zip Codes in North Dakota.

58631 Per-Capita Income

The per-capita income for 58631 is $39,920. The per capita income ($39,920) for 58631 is less than the per capita income for 58580 ($52,330), 58646 ($44,441), Mercer County ($41,590), and Morton County ($46,235). But it's more than 58638 ($34,048), 58562 ($30,917), 58563 ($38,299), 58520 ($33,595), 58523 ($37,636), 58533 ($35,269), Grant County ($38,687), and Glen Ullin city ($35,457).

58631$39,920
Glen Ullin city$35,457
Grant County$38,687
Mercer County$41,590
Morton County$46,235

Get Per-Capita Income for all Zip Codes in North Dakota.

58631 High Income Households

4.5% of households make over $200,000 a year. The percent high income households (4.5%) for 58631 is less than the percent high income households for 58646 (7.9%), 58533 (6.2%), 58563 (9.1%), 58580 (6.3%), 58520 (8.6%), 58523 (5.1%), Mercer County (6.8%), Morton County (7.8%), and Grant County (7.6%). But it's more than 58562 (2.9%) and Glen Ullin city (2.0%). And it's the same as 58638 (4.5%).

586314.5%
Glen Ullin city2.0%
Grant County7.6%
Mercer County6.8%
Morton County7.8%

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58631 Median Household Income by Age of Householder

under 25 years 25 to 44 years 45 to 64 years 65 years and over
58631$-1$94,531$78,000$32,313
Glen Ullin city$-1$88,750$85,208$31,958
Grant County$-1$65,750$78,462$37,625
Mercer County$-1$95,721$111,094$58,676
Morton County$28,476$100,234$94,183$55,529

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

58631 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 58631 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+
58631+/-$14,037+/-$11,971+/-$5,369+/-2.7%+/-$-1+/-$24,462+/-$25,471+/-$20,756
Glen Ullin city+/-$13,746+/-$11,105+/-$4,879+/-2.1%+/-$-1+/-$26,064+/-$29,995+/-$11,717
Grant County+/-$12,632+/-$8,670+/-$3,592+/-2.1%+/-$-1+/-$24,165+/-$10,900+/-$9,761
Mercer County+/-$6,419+/-$6,617+/-$2,468+/-2.1%+/-$-1+/-$16,382+/-$13,522+/-$11,093
Morton County+/-$6,495+/-$12,264+/-$5,193+/-1.7%+/-$18,455+/-$7,067+/-$9,336+/-$4,732