Comparison to Surrounding Areas
The median household income ($78,000) for 51028 is less than the median household income for 51024 ($114,219), 51030 ($86,167), 51039 ($110,000), 51048 ($83,158), 51050 ($92,500), and Plymouth County ($83,251). But it's more than 51016 ($51,875), 51031 ($76,525), Woodbury County ($73,658), and Kingsley city ($72,841).
| 51028 | $78,000 |
| Kingsley city | $72,841 |
| Plymouth County | $83,251 |
| Woodbury County | $73,658 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($100,107) for 51028 is less than the average household income for 51024 ($121,897), 51030 ($109,580), 51039 ($123,870), 51050 ($116,488), and Plymouth County ($101,116). But it's more than 51016 ($68,982), 51031 ($92,229), 51048 ($83,226), Woodbury County ($90,682), and Kingsley city ($95,164).
| 51028 | $100,107 |
| Kingsley city | $95,164 |
| Plymouth County | $101,116 |
| Woodbury County | $90,682 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 51028 is $41,829. The per capita income ($41,829) for 51028 is less than the per capita income for 51024 ($48,658), 51030 ($44,803), 51039 ($50,182), and 51050 ($42,233). But it's more than 51016 ($26,331), 51031 ($38,599), 51048 ($30,464), Plymouth County ($41,532), Woodbury County ($35,564), and Kingsley city ($41,008).
| 51028 | $41,829 |
| Kingsley city | $41,008 |
| Plymouth County | $41,532 |
| Woodbury County | $35,564 |
Get Per-Capita Income for all Zip Codes in Iowa.
7.5% of households make over $200,000 a year. The percent high income households (7.5%) for 51028 is less than the percent high income households for 51024 (9.5%), 51030 (11.0%), 51039 (10.6%), 51050 (9.3%), Plymouth County (7.6%), and Kingsley city (8.5%). But it's more than 51016 (1.5%), 51031 (6.3%), 51048 (0.6%), and Woodbury County (7.0%).
| 51028 | 7.5% |
| Kingsley city | 8.5% |
| Plymouth County | 7.6% |
| Woodbury County | 7.0% |
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 | |
|---|---|---|---|---|
| 51028 | $-1 | $90,625 | $91,375 | $59,432 |
| Kingsley city | $35,250 | $107,596 | $77,132 | $53,750 |
| Plymouth County | $53,250 | $92,702 | $102,267 | $56,204 |
| Woodbury County | $55,368 | $81,268 | $88,314 | $50,680 |
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 51028 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+ | |||||
| 51028 | +/-$12,795 | +/-$8,867 | +/-$4,340 | +/-2.8% | +/-$-1 | +/-$34,627 | +/-$20,957 | +/-$15,230 |
| Kingsley city | +/-$8,569 | +/-$11,509 | +/-$5,377 | +/-3.3% | +/-$18,571 | +/-$35,880 | +/-$20,154 | +/-$20,511 |
| Plymouth County | +/-$4,100 | +/-$4,760 | +/-$1,940 | +/-1.2% | +/-$8,054 | +/-$6,730 | +/-$10,727 | +/-$5,836 |
| Woodbury County | +/-$2,611 | +/-$2,937 | +/-$1,120 | +/-1.2% | +/-$13,152 | +/-$5,067 | +/-$6,529 | +/-$3,089 |