Comparison to Surrounding Areas
The median household income ($54,258) for 51431 is less than the median household income for 51053 ($72,534), 51448 ($76,058), 51458 ($86,250), 51020 ($80,066), 51445 ($64,688), Sac County ($73,838), and Ida County ($63,073). But it's more than Arthur city ($53,711).
| 51431 | $54,258 |
| Arthur city | $53,711 |
| Ida County | $63,073 |
| Sac County | $73,838 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($76,420) for 51431 is less than the average household income for 51053 ($94,717), 51448 ($83,965), 51458 ($89,932), 51020 ($86,409), 51445 ($84,578), Sac County ($88,368), and Ida County ($85,328). But it's more than Arthur city ($59,817).
| 51431 | $76,420 |
| Arthur city | $59,817 |
| Ida County | $85,328 |
| Sac County | $88,368 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 51431 is $33,507. The per capita income ($33,507) for 51431 is less than the per capita income for 51053 ($41,545), 51445 ($41,956), 51448 ($34,808), 51458 ($36,882), Ida County ($38,356), and Sac County ($40,084). But it's more than 51020 ($32,472) and Arthur city ($28,319).
| 51431 | $33,507 |
| Arthur city | $28,319 |
| Ida County | $38,356 |
| Sac County | $40,084 |
Get Per-Capita Income for all Zip Codes in Iowa.
4.3% of households make over $200,000 a year. The percent high income households (4.3%) for 51431 is less than the percent high income households for 51020 (11.3%), 51053 (8.9%), 51445 (5.2%), Ida County (5.4%), and Sac County (4.5%). But it's more than 51448 (3.7%), 51458 (2.5%), and Arthur city (1.7%).
| 51431 | 4.3% |
| Arthur city | 1.7% |
| Ida County | 5.4% |
| Sac 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 | |
|---|---|---|---|---|
| 51431 | $-1 | $103,250 | $86,250 | $45,568 |
| Arthur city | $-1 | $43,542 | $59,028 | $45,000 |
| Ida County | $52,893 | $72,609 | $71,058 | $50,268 |
| Sac County | $53,125 | $93,472 | $78,795 | $48,913 |
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 51431 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+ | |||||
| 51431 | +/-$3,182 | +/-$12,112 | +/-$5,847 | +/-4.9% | +/-$-1 | +/-$62,284 | +/-$73,155 | +/-$3,797 |
| Arthur city | +/-$1,077 | +/-$7,669 | +/-$5,661 | +/-2.6% | +/-$-1 | +/-$10,938 | +/-$13,520 | +/-$33,563 |
| Ida County | +/-$6,791 | +/-$6,245 | +/-$2,489 | +/-1.6% | +/-$11,827 | +/-$5,097 | +/-$16,661 | +/-$6,539 |
| Sac County | +/-$5,248 | +/-$5,156 | +/-$2,139 | +/-1.2% | +/-$36,137 | +/-$9,390 | +/-$8,766 | +/-$8,359 |