Comparison to Surrounding Areas
The median household income ($88,077) for 50621 is less than the median household income for 50269 ($92,813) and 50609 ($90,250). But it's more than 50638 ($85,223), 50158 ($70,367), 50258 ($83,988), 50627 ($74,536), 50148 ($84,083), Marshall County ($73,315), Grundy County ($87,205), and Conrad city ($73,292).
| 50621 | $88,077 |
| Conrad city | $73,292 |
| Grundy County | $87,205 |
| Marshall County | $73,315 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($105,886) for 50621 is less than the average household income for 50269 ($146,623). But it's more than 50638 ($102,697), 50258 ($88,428), 50609 ($97,507), 50627 ($83,688), 50148 ($99,629), 50158 ($82,499), Marshall County ($85,510), Grundy County ($101,039), and Conrad city ($82,978).
| 50621 | $105,886 |
| Conrad city | $82,978 |
| Grundy County | $101,039 |
| Marshall County | $85,510 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 50621 is $45,311. The per capita income ($45,311) for 50621 is less than the per capita income for 50269 ($64,243) and 50609 ($45,813). But it's more than 50638 ($41,853), 50158 ($31,708), 50258 ($38,019), 50627 ($33,894), 50148 ($36,138), Marshall County ($33,544), Grundy County ($42,005), and Conrad city ($38,371).
| 50621 | $45,311 |
| Conrad city | $38,371 |
| Grundy County | $42,005 |
| Marshall County | $33,544 |
Get Per-Capita Income for all Zip Codes in Iowa.
7.2% of households make over $200,000 a year. The percent high income households (7.2%) for 50621 is less than the percent high income households for 50148 (9.1%), 50269 (18.8%), 50627 (7.9%), 50638 (9.9%), and Grundy County (8.8%). But it's more than 50158 (4.3%), 50258 (3.7%), 50609 (5.7%), Marshall County (4.5%), and Conrad city (2.8%).
| 50621 | 7.2% |
| Conrad city | 2.8% |
| Grundy County | 8.8% |
| Marshall County | 4.5% |
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 | |
|---|---|---|---|---|
| 50621 | $-1 | $108,125 | $112,438 | $56,563 |
| Conrad city | $-1 | $91,250 | $110,063 | $50,000 |
| Grundy County | $57,750 | $99,832 | $104,625 | $60,444 |
| Marshall County | $68,115 | $80,000 | $89,290 | $51,189 |
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 50621 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+ | |||||
| 50621 | +/-$14,332 | +/-$11,517 | +/-$4,093 | +/-4.0% | +/-$-1 | +/-$44,992 | +/-$11,579 | +/-$21,367 |
| Conrad city | +/-$4,093 | +/-$7,788 | +/-$3,336 | +/-1.6% | +/-$-1 | +/-$16,813 | +/-$21,434 | +/-$11,417 |
| Grundy County | +/-$4,831 | +/-$5,663 | +/-$2,239 | +/-2.0% | +/-$13,013 | +/-$6,052 | +/-$12,594 | +/-$10,280 |
| Marshall County | +/-$3,402 | +/-$3,248 | +/-$1,288 | +/-0.8% | +/-$13,666 | +/-$9,131 | +/-$7,528 | +/-$2,757 |