Comparison to Surrounding Areas
The median household income ($90,893) for 52231 is less than the median household income for Harper city ($100,417). But it's more than 52248 ($77,174), 52335 ($52,162), 52355 ($63,750), 52591 ($62,404), and Keokuk County ($62,329).
| 52231 | $90,893 |
| Harper city | $100,417 |
| Keokuk County | $62,329 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($105,360) for 52231 is less than the average household income for 52355 ($130,437). But it's more than 52248 ($89,664), 52335 ($91,118), 52591 ($89,380), Keokuk County ($83,451), and Harper city ($93,456).
| 52231 | $105,360 |
| Harper city | $93,456 |
| Keokuk County | $83,451 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 52231 is $36,397. The per capita income ($36,397) for 52231 is less than the per capita income for 52248 ($40,512), 52335 ($42,945), 52355 ($48,417), and 52591 ($37,751). But it's more than Keokuk County ($35,153) and Harper city ($30,714).
| 52231 | $36,397 |
| Harper city | $30,714 |
| Keokuk County | $35,153 |
Get Per-Capita Income for all Zip Codes in Iowa.
5.1% of households make over $200,000 a year. The percent high income households (5.1%) for 52231 is less than the percent high income households for 52335 (6.1%) and 52591 (8.2%). But it's more than 52248 (2.6%), 52355 (4.9%), Keokuk County (4.9%), and Harper city (0.0%).
| 52231 | 5.1% |
| Harper city | 0.0% |
| Keokuk County | 4.9% |
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 | |
|---|---|---|---|---|
| 52231 | $-1 | $113,487 | $-1 | $49,375 |
| Harper city | $-1 | $115,625 | $59,583 | $58,750 |
| Keokuk County | $40,313 | $76,250 | $72,244 | $45,817 |
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 52231 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+ | |||||
| 52231 | +/-$38,445 | +/-$31,861 | +/-$10,832 | +/-5.9% | +/-$-1 | +/-$9,239 | +/-$-1 | +/-$28,106 |
| Harper city | +/-$21,286 | +/-$17,118 | +/-$8,602 | +/-37.5% | +/-$-1 | +/-$47,548 | +/-$49,196 | +/-$29,240 |
| Keokuk County | +/-$4,405 | +/-$5,574 | +/-$2,126 | +/-1.4% | +/-$24,578 | +/-$8,447 | +/-$8,226 | +/-$7,722 |