Comparison to Surrounding Areas
The median household income ($76,429) for 50440 is less than the median household income for 50456 ($81,339), 50464 ($91,750), 50472 ($93,482), and Worth County ($78,008). But it's more than 50448 ($62,059), 50461 ($68,886), and Grafton city ($48,750).
| 50440 | $76,429 |
| Grafton city | $48,750 |
| Worth County | $78,008 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($75,732) for 50440 is less than the average household income for 50456 ($88,773), 50461 ($93,632), 50464 ($123,331), 50472 ($111,914), and Worth County ($91,205). But it's more than 50448 ($70,387) and Grafton city ($65,350).
| 50440 | $75,732 |
| Grafton city | $65,350 |
| Worth County | $91,205 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 50440 is $37,745. The per capita income ($37,745) for 50440 is less than the per capita income for 50461 ($42,287), 50464 ($48,451), 50472 ($45,940), and Worth County ($39,261). But it's more than 50448 ($33,959), 50456 ($36,771), and Grafton city ($34,649).
| 50440 | $37,745 |
| Grafton city | $34,649 |
| Worth County | $39,261 |
Get Per-Capita Income for all Zip Codes in Iowa.
2.7% of households make over $200,000 a year. The percent high income households (2.7%) for 50440 is less than 50456 (6.1%), 50464 (16.2%), 50472 (6.7%), 50448 (2.9%), 50461 (7.4%), Worth County (5.4%), and Grafton city (3.4%).
| 50440 | 2.7% |
| Grafton city | 3.4% |
| Worth County | 5.4% |
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 | |
|---|---|---|---|---|
| 50440 | $-1 | $-1 | $94,583 | $-1 |
| Grafton city | $-1 | $52,813 | $-1 | $19,792 |
| Worth County | $67,670 | $95,833 | $94,595 | $53,313 |
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 50440 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+ | |||||
| 50440 | +/-$34,991 | +/-$15,393 | +/-$6,076 | +/-4.2% | +/-$-1 | +/-$-1 | +/-$65,446 | +/-$-1 |
| Grafton city | +/-$13,937 | +/-$16,382 | +/-$7,138 | +/-5.1% | +/-$-1 | +/-$30,856 | +/-$-1 | +/-$17,842 |
| Worth County | +/-$6,274 | +/-$5,853 | +/-$2,448 | +/-1.9% | +/-$17,308 | +/-$15,250 | +/-$10,607 | +/-$8,160 |