Comparison to Surrounding Areas
The median household income ($66,072) for 50401 is less than the median household income for 50469 ($71,250), 50458 ($99,643), 50464 ($91,750), 50468 ($73,403), 50428 ($81,037), 50444 ($78,214), 50456 ($81,339), Cerro Gordo County ($68,189), Plymouth city ($80,000), and Rock Falls city ($71,042). But it's more than 50467 ($63,750), Mason City city ($64,804), and Portland CDP ($-1).
| 50401 | $66,072 |
| Mason City city | $64,804 |
| Plymouth city | $80,000 |
| Portland CDP | $-1 |
| Rock Falls city | $71,042 |
| Cerro Gordo County | $68,189 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($83,040) for 50401 is less than the average household income for 50469 ($87,237), 50428 ($121,696), 50444 ($95,310), 50456 ($88,773), 50458 ($109,996), 50464 ($123,331), 50468 ($127,400), and Cerro Gordo County ($92,087). But it's more than 50467 ($66,404), Mason City city ($81,218), Plymouth city ($77,182), Portland CDP ($-1), and Rock Falls city ($78,536).
| 50401 | $83,040 |
| Mason City city | $81,218 |
| Plymouth city | $77,182 |
| Portland CDP | $-1 |
| Rock Falls city | $78,536 |
| Cerro Gordo County | $92,087 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 50401 is $37,886. The per capita income ($37,886) for 50401 is less than the per capita income for 50428 ($55,526), 50444 ($39,660), 50458 ($41,153), 50464 ($48,451), 50468 ($47,826), and Cerro Gordo County ($41,560). But it's more than 50456 ($36,771), 50467 ($28,752), 50469 ($35,869), Mason City city ($37,494), Rock Falls city ($31,894), Plymouth city ($30,864), and Portland CDP ($32,600).
| 50401 | $37,886 |
| Mason City city | $37,494 |
| Plymouth city | $30,864 |
| Portland CDP | $32,600 |
| Rock Falls city | $31,894 |
| Cerro Gordo County | $41,560 |
Get Per-Capita Income for all Zip Codes in Iowa.
5.3% of households make over $200,000 a year. The percent high income households (5.3%) for 50401 is less than the percent high income households for 50456 (6.1%), 50428 (13.4%), 50444 (8.3%), 50468 (18.7%), 50458 (10.8%), 50464 (16.2%), and Cerro Gordo County (7.2%). But it's more than 50467 (0.0%), 50469 (3.8%), Mason City city (4.8%), Plymouth city (0.6%), Portland CDP (0.0%), and Rock Falls city (0.0%).
| 50401 | 5.3% |
| Mason City city | 4.8% |
| Plymouth city | 0.6% |
| Portland CDP | 0.0% |
| Rock Falls city | 0.0% |
| Cerro Gordo County | 7.2% |
Get High Income Households for all Zip Codes in Iowa.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 50401 | $36,033 | $71,375 | $75,930 | $47,864 |
| Mason City city | $36,114 | $70,308 | $71,545 | $47,705 |
| Plymouth city | $-1 | $98,750 | $78,750 | $43,000 |
| Portland CDP | $-1 | $-1 | $-1 | $-1 |
| Rock Falls city | $-1 | $120,250 | $71,875 | $51,250 |
| Cerro Gordo County | $35,556 | $76,764 | $83,459 | $50,066 |
Get Median Household Income by Age of Householder for all Zip Codes in Iowa.
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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 50401 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+ | |||||
| 50401 | +/-$3,104 | +/-$3,766 | +/-$1,643 | +/-1.2% | +/-$21,785 | +/-$6,809 | +/-$14,141 | +/-$4,703 |
| Mason City city | +/-$3,257 | +/-$3,829 | +/-$1,769 | +/-1.2% | +/-$22,105 | +/-$5,130 | +/-$12,493 | +/-$4,746 |
| Plymouth city | +/-$24,670 | +/-$8,963 | +/-$4,819 | +/-1.3% | +/-$-1 | +/-$23,470 | +/-$10,673 | +/-$7,215 |
| Portland CDP | +/-$-1 | +/-$-1 | +/-$15,982 | +/-65.0% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Rock Falls city | +/-$28,867 | +/-$12,537 | +/-$6,997 | +/-37.9% | +/-$-1 | +/-$19,834 | +/-$68,518 | +/-$19,276 |
| Cerro Gordo County | +/-$2,473 | +/-$5,949 | +/-$2,628 | +/-1.3% | +/-$16,368 | +/-$12,143 | +/-$6,511 | +/-$4,515 |