Comparison to Surrounding Areas
The median household income ($105,000) for 58018 is less than the median household income for 58008 ($119,167) and 58077 ($108,750). But it's more than 58061 ($93,125), 58075 ($68,537), Richland County ($75,432), and Colfax city ($104,375).
| 58018 | $105,000 |
| Colfax city | $104,375 |
| Richland County | $75,432 |
Get Median Household Income for all Zip Codes in North Dakota.
The average household income ($123,597) for 58018 is less than the average household income for 58008 ($159,592) and Colfax city ($126,409). But it's more than 58061 ($113,690), 58075 ($87,919), 58077 ($120,911), and Richland County ($99,435).
| 58018 | $123,597 |
| Colfax city | $126,409 |
| Richland County | $99,435 |
Get Average Household Income for all Zip Codes in North Dakota.
The per-capita income for 58018 is $42,297. The per capita income ($42,297) for 58018 is less than the per capita income for 58008 ($65,305). But it's more than 58061 ($36,173), 58075 ($38,621), 58077 ($40,908), Richland County ($40,975), and Colfax city ($34,630).
| 58018 | $42,297 |
| Colfax city | $34,630 |
| Richland County | $40,975 |
Get Per-Capita Income for all Zip Codes in North Dakota.
16.7% of households make over $200,000 a year. The percent high income households (16.7%) for 58018 is less than the percent high income households for 58008 (25.0%). But it's more than 58061 (10.4%), 58075 (7.9%), 58077 (12.3%), Richland County (9.4%), and Colfax city (11.9%).
| 58018 | 16.7% |
| Colfax city | 11.9% |
| Richland County | 9.4% |
Get High Income Households for all Zip Codes in North Dakota.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 58018 | $-1 | $97,216 | $114,167 | $86,875 |
| Colfax city | $-1 | $103,125 | $146,875 | $86,875 |
| Richland County | $49,841 | $89,539 | $89,716 | $51,739 |
Get Median Household Income by Age of Householder for all Zip Codes in North Dakota.
Use our lookalike & filtering workflow to discover every zip that matches your ideal market profile.
Our Income By Zip Code Lists let you start with a zip like 58018, then automatically find hundreds of similar zips by income, demographics, and growth potential — so you can build a smarter target list in minutes.
Get Your Income By Zip Code List
Get all zip codes in a state or the entire US with data such as median household income.
Starting at $65.
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 58018 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+ | |||||
| 58018 | +/-$23,078 | +/-$17,071 | +/-$10,072 | +/-9.6% | +/-$-1 | +/-$32,334 | +/-$45,887 | +/-$83,665 |
| Colfax city | +/-$39,575 | +/-$22,190 | +/-$11,701 | +/-13.9% | +/-$-1 | +/-$42,506 | +/-$86,947 | +/-$64,399 |
| Richland County | +/-$4,512 | +/-$5,426 | +/-$2,214 | +/-1.8% | +/-$6,886 | +/-$6,742 | +/-$10,403 | +/-$7,547 |