Comparison to Surrounding Areas
The median household income ($66,776) for 50604 is less than the median household income for 50602 ($67,188), 50665 ($75,521), 50680 ($75,956), Butler County ($73,715), Grundy County ($87,205), and Aplington city ($74,773). But it's more than 50601 ($66,250), 50608 ($-1), 50625 ($64,250), and 50649 ($-1).
| 50604 | $66,776 |
| Aplington city | $74,773 |
| Butler County | $73,715 |
| Grundy County | $87,205 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($77,574) for 50604 is less than the average household income for 50602 ($85,327), 50665 ($96,727), 50680 ($83,047), Butler County ($90,569), Grundy County ($101,039), and Aplington city ($83,995). But it's more than 50601 ($72,863), 50608 ($-1), 50625 ($76,961), and 50649 ($-1).
| 50604 | $77,574 |
| Aplington city | $83,995 |
| Butler County | $90,569 |
| Grundy County | $101,039 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 50604 is $32,741. The per capita income ($32,741) for 50604 is less than the per capita income for 50680 ($39,099), 50602 ($39,387), 50608 ($47,725), 50665 ($40,402), 50601 ($33,424), Grundy County ($42,005), Butler County ($37,766), and Aplington city ($32,977). But it's more than 50625 ($31,791) and 50649 ($-1).
| 50604 | $32,741 |
| Aplington city | $32,977 |
| Butler County | $37,766 |
| Grundy County | $42,005 |
Get Per-Capita Income for all Zip Codes in Iowa.
1.4% of households make over $200,000 a year. The percent high income households (1.4%) for 50604 is less than the percent high income households for 50601 (2.2%), 50602 (7.6%), 50665 (6.8%), 50680 (1.9%), Grundy County (8.8%), Butler County (5.9%), and Aplington city (2.2%). But it's more than 50608 (0.0%), 50625 (0.5%), and 50649 (0.0%).
| 50604 | 1.4% |
| Aplington city | 2.2% |
| Butler County | 5.9% |
| Grundy County | 8.8% |
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 | |
|---|---|---|---|---|
| 50604 | $38,571 | $92,222 | $76,250 | $53,281 |
| Aplington city | $-1 | $100,833 | $77,292 | $57,083 |
| Butler County | $65,408 | $89,469 | $90,792 | $59,149 |
| Grundy County | $57,750 | $99,832 | $104,625 | $60,444 |
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 50604 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+ | |||||
| 50604 | +/-$11,320 | +/-$7,374 | +/-$2,996 | +/-1.3% | +/-$13,511 | +/-$23,487 | +/-$31,948 | +/-$13,930 |
| Aplington city | +/-$7,927 | +/-$10,063 | +/-$3,470 | +/-2.1% | +/-$-1 | +/-$19,830 | +/-$24,665 | +/-$11,240 |
| Butler County | +/-$2,576 | +/-$3,864 | +/-$1,670 | +/-1.4% | +/-$9,662 | +/-$6,732 | +/-$5,732 | +/-$4,688 |
| Grundy County | +/-$4,831 | +/-$5,663 | +/-$2,239 | +/-2.0% | +/-$13,013 | +/-$6,052 | +/-$12,594 | +/-$10,280 |