Comparison to Surrounding Areas
The median household income ($60,000) for 83321 is less than the median household income for 83302 ($108,281), 83316 ($69,593), and Twin Falls County ($67,409). But it's more than Castleford city ($46,667).
| 83321 | $60,000 |
| Castleford city | $46,667 |
| Twin Falls County | $67,409 |
Get Median Household Income for all Zip Codes in Idaho.
The average household income ($63,532) for 83321 is less than the average household income for 83302 ($93,331), 83316 ($98,311), and Twin Falls County ($90,415). But it's more than Castleford city ($45,727).
| 83321 | $63,532 |
| Castleford city | $45,727 |
| Twin Falls County | $90,415 |
Get Average Household Income for all Zip Codes in Idaho.
The per-capita income for 83321 is $26,022. The per capita income ($26,022) for 83321 is less than the per capita income for 83302 ($40,737), 83316 ($37,310), and Twin Falls County ($35,344). But it's more than Castleford city ($20,529).
| 83321 | $26,022 |
| Castleford city | $20,529 |
| Twin Falls County | $35,344 |
Get Per-Capita Income for all Zip Codes in Idaho.
1.4% of households make over $200,000 a year. The percent high income households (1.4%) for 83321 is less than the percent high income households for 83316 (6.8%) and Twin Falls County (6.8%). But it's more than 83302 (0.0%) and Castleford city (0.0%).
| 83321 | 1.4% |
| Castleford city | 0.0% |
| Twin Falls County | 6.8% |
Get High Income Households for all Zip Codes in Idaho.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 83321 | $-1 | $61,250 | $65,625 | $-1 |
| Castleford city | $-1 | $-1 | $52,857 | $26,250 |
| Twin Falls County | $48,698 | $76,007 | $86,413 | $47,109 |
Get Median Household Income by Age of Householder for all Zip Codes in Idaho.
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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 83321 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+ | |||||
| 83321 | +/-$13,489 | +/-$11,940 | +/-$4,860 | +/-2.4% | +/-$-1 | +/-$19,595 | +/-$19,635 | +/-$-1 |
| Castleford city | +/-$31,934 | +/-$9,051 | +/-$5,003 | +/-33.2% | +/-$-1 | +/-$-1 | +/-$27,011 | +/-$24,506 |
| Twin Falls County | +/-$3,701 | +/-$4,261 | +/-$1,840 | +/-1.0% | +/-$18,774 | +/-$5,390 | +/-$8,470 | +/-$4,087 |