Comparison to Surrounding Areas
The median household income ($90,900) for 55040 is less than the median household income for 55070 ($108,750), 55005 ($109,107), 55056 ($95,679), 55398 ($103,419), 55079 ($114,614), 55371 ($93,824), and St. Francis city ($111,198). But it's more than 55008 ($84,513), Isanti County ($87,440), Cambridge city ($69,154), and Isanti city ($87,500).
| 55040 | $90,900 |
| Cambridge city | $69,154 |
| Isanti city | $87,500 |
| St. Francis city | $111,198 |
| Isanti County | $87,440 |
Get Median Household Income for all Zip Codes in Minnesota.
The average household income ($102,517) for 55040 is less than the average household income for 55070 ($113,754), 55005 ($120,078), 55056 ($114,841), 55398 ($115,005), 55079 ($127,267), 55371 ($103,750), and St. Francis city ($113,214). But it's more than 55008 ($94,947), Isanti County ($101,012), Cambridge city ($81,403), and Isanti city ($96,679).
| 55040 | $102,517 |
| Cambridge city | $81,403 |
| Isanti city | $96,679 |
| St. Francis city | $113,214 |
| Isanti County | $101,012 |
Get Average Household Income for all Zip Codes in Minnesota.
The per-capita income for 55040 is $38,712. The per capita income ($38,712) for 55040 is less than the per capita income for 55398 ($42,011), 55070 ($40,876), 55079 ($48,568), 55005 ($45,475), 55008 ($39,930), 55056 ($46,415), Isanti County ($39,737), and St. Francis city ($40,900). But it's more than 55371 ($38,223), Cambridge city ($35,047), and Isanti city ($36,337).
| 55040 | $38,712 |
| Cambridge city | $35,047 |
| Isanti city | $36,337 |
| St. Francis city | $40,900 |
| Isanti County | $39,737 |
Get Per-Capita Income for all Zip Codes in Minnesota.
6.9% of households make over $200,000 a year. The percent high income households (6.9%) for 55040 is less than the percent high income households for 55398 (10.2%), 55070 (9.0%), 55079 (13.9%), 55005 (10.5%), 55008 (7.7%), 55056 (11.4%), Isanti County (8.0%), and St. Francis city (8.7%). But it's more than 55371 (5.7%), Cambridge city (6.0%), and Isanti city (5.4%).
| 55040 | 6.9% |
| Cambridge city | 6.0% |
| Isanti city | 5.4% |
| St. Francis city | 8.7% |
| Isanti County | 8.0% |
Get High Income Households for all Zip Codes in Minnesota.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 55040 | $76,274 | $122,273 | $90,440 | $55,417 |
| Cambridge city | $42,743 | $94,333 | $85,292 | $37,775 |
| Isanti city | $76,132 | $125,862 | $74,375 | $44,375 |
| St. Francis city | $108,646 | $115,176 | $136,866 | $60,104 |
| Isanti County | $60,547 | $106,430 | $101,130 | $51,193 |
Get Median Household Income by Age of Householder for all Zip Codes in Minnesota.
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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 55040 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+ | |||||
| 55040 | +/-$9,541 | +/-$5,346 | +/-$2,103 | +/-2.0% | +/-$6,824 | +/-$16,371 | +/-$13,152 | +/-$12,086 |
| Cambridge city | +/-$5,981 | +/-$6,010 | +/-$2,488 | +/-2.4% | +/-$9,537 | +/-$14,434 | +/-$24,694 | +/-$3,081 |
| Isanti city | +/-$19,536 | +/-$7,311 | +/-$3,446 | +/-3.3% | +/-$1,218 | +/-$23,377 | +/-$36,373 | +/-$13,876 |
| St. Francis city | +/-$11,407 | +/-$7,341 | +/-$2,537 | +/-3.3% | +/-$81,508 | +/-$15,769 | +/-$5,870 | +/-$13,996 |
| Isanti County | +/-$4,140 | +/-$2,978 | +/-$1,076 | +/-1.0% | +/-$27,086 | +/-$3,734 | +/-$5,054 | +/-$3,260 |