Comparison to Surrounding Areas
The median household income ($79,867) for 50666 is less than the median household income for 50619 ($84,076), 50677 ($85,633), Bremer County ($86,784), and Plainfield city ($80,000). But it's more than 50645 ($64,408), 50658 ($71,936), and Butler County ($73,715).
| 50666 | $79,867 |
| Plainfield city | $80,000 |
| Bremer County | $86,784 |
| Butler County | $73,715 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($86,459) for 50666 is less than the average household income for 50619 ($92,738), 50677 ($116,091), Bremer County ($108,261), and Butler County ($90,569). But it's more than 50645 ($72,360), 50658 ($84,080), and Plainfield city ($86,207).
| 50666 | $86,459 |
| Plainfield city | $86,207 |
| Bremer County | $108,261 |
| Butler County | $90,569 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 50666 is $38,596. The per capita income ($38,596) for 50666 is less than the per capita income for 50619 ($39,781), 50677 ($45,093), and Bremer County ($43,033). But it's more than 50645 ($33,920), 50658 ($37,714), Butler County ($37,766), and Plainfield city ($37,897).
| 50666 | $38,596 |
| Plainfield city | $37,897 |
| Bremer County | $43,033 |
| Butler County | $37,766 |
Get Per-Capita Income for all Zip Codes in Iowa.
1.6% of households make over $200,000 a year. The percent high income households (1.6%) for 50666 is less than 50619 (7.2%), 50645 (4.9%), 50658 (6.2%), 50677 (9.1%), Butler County (5.9%), Bremer County (8.0%), and Plainfield city (3.8%).
| 50666 | 1.6% |
| Plainfield city | 3.8% |
| Bremer County | 8.0% |
| Butler County | 5.9% |
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 | |
|---|---|---|---|---|
| 50666 | $66,207 | $103,347 | $100,625 | $77,703 |
| Plainfield city | $-1 | $88,750 | $88,125 | $48,750 |
| Bremer County | $40,417 | $97,125 | $109,063 | $66,340 |
| Butler County | $65,408 | $89,469 | $90,792 | $59,149 |
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 50666 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+ | |||||
| 50666 | +/-$18,879 | +/-$9,121 | +/-$4,804 | +/-2.1% | +/-$254 | +/-$6,707 | +/-$24,352 | +/-$14,555 |
| Plainfield city | +/-$21,480 | +/-$18,796 | +/-$7,515 | +/-4.6% | +/-$-1 | +/-$23,714 | +/-$25,106 | +/-$39,249 |
| Bremer County | +/-$2,629 | +/-$9,857 | +/-$3,348 | +/-1.2% | +/-$15,338 | +/-$8,011 | +/-$13,020 | +/-$3,880 |
| Butler County | +/-$2,576 | +/-$3,864 | +/-$1,670 | +/-1.4% | +/-$9,662 | +/-$6,732 | +/-$5,732 | +/-$4,688 |