Comparison to Surrounding Areas
The median household income ($-1) for 83421 is less than 83420 ($69,286), 83445 ($68,012), and Fremont County ($72,683).
| 83421 | $-1 |
| Fremont County | $72,683 |
Get Median Household Income for all Zip Codes in Idaho.
The average household income ($240,894) for 83421 is more than 83420 ($105,375), 83445 ($79,306), and Fremont County ($93,018).
| 83421 | $240,894 |
| Fremont County | $93,018 |
Get Average Household Income for all Zip Codes in Idaho.
The per-capita income for 83421 is $125,365. The per capita income ($125,365) for 83421 is more than 83420 ($42,560), 83445 ($26,489), and Fremont County ($32,810).
| 83421 | $125,365 |
| Fremont County | $32,810 |
Get Per-Capita Income for all Zip Codes in Idaho.
15.7% of households make over $200,000 a year. The percent high income households (15.7%) for 83421 is more than 83420 (6.1%), 83445 (2.8%), and Fremont County (5.0%).
| 83421 | 15.7% |
| Fremont County | 5.0% |
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 | |
|---|---|---|---|---|
| 83421 | $-1 | $-1 | $-1 | $54,511 |
| Fremont County | $51,250 | $71,667 | $82,530 | $61,694 |
Get Median Household Income by Age of Householder for all Zip Codes in Idaho.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 83421 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 83421 | +/-$-1 | +/-$176,786 | +/-$87,609 | +/-16.9% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$45,350 |
| Fremont County | +/-$5,715 | +/-$7,705 | +/-$2,734 | +/-1.9% | +/-$30,629 | +/-$7,617 | +/-$12,766 | +/-$10,754 |