Comparison to Surrounding Areas
The median household income ($50,833) for 99138 is less than the median household income for 99167 ($70,364), 99141 ($58,302), 99147 ($84,063), 99166 ($56,676), 99122 ($82,386), 99137 ($50,972), 99140 ($53,529), Ferry County ($55,614), Inchelium CDP ($68,750), and Twin Lakes CDP ($63,542). But it's more than 99129 ($40,938) and 99131 ($35,391).
| 99138 | $50,833 |
| Inchelium CDP | $68,750 |
| Twin Lakes CDP | $63,542 |
| Ferry County | $55,614 |
Get Median Household Income for all Zip Codes in Washington.
The average household income ($68,187) for 99138 is less than the average household income for 99141 ($75,685), 99166 ($70,610), 99167 ($84,590), 99122 ($100,038), 99147 ($112,978), Ferry County ($70,298), and Inchelium CDP ($73,946). But it's more than 99129 ($61,635), 99131 ($38,068), 99137 ($67,873), 99140 ($59,822), and Twin Lakes CDP ($68,094).
| 99138 | $68,187 |
| Inchelium CDP | $73,946 |
| Twin Lakes CDP | $68,094 |
| Ferry County | $70,298 |
Get Average Household Income for all Zip Codes in Washington.
The per-capita income for 99138 is $26,817. The per capita income ($26,817) for 99138 is less than the per capita income for 99167 ($34,559), 99141 ($35,601), 99147 ($64,319), 99166 ($32,158), 99122 ($41,208), 99129 ($28,334), 99131 ($29,332), 99137 ($27,801), Ferry County ($31,438), Inchelium CDP ($27,269), and Twin Lakes CDP ($30,810). But it's more than 99140 ($26,752).
| 99138 | $26,817 |
| Inchelium CDP | $27,269 |
| Twin Lakes CDP | $30,810 |
| Ferry County | $31,438 |
Get Per-Capita Income for all Zip Codes in Washington.
1.9% of households make over $200,000 a year. The percent high income households (1.9%) for 99138 is less than the percent high income households for 99167 (7.3%), 99147 (17.8%), 99166 (2.6%), 99122 (9.4%), 99129 (2.8%), 99131 (2.1%), 99137 (5.1%), 99141 (3.2%), Ferry County (2.7%), and Twin Lakes CDP (6.4%). But it's more than 99140 (0.5%) and Inchelium CDP (0.0%).
| 99138 | 1.9% |
| Inchelium CDP | 0.0% |
| Twin Lakes CDP | 6.4% |
| Ferry County | 2.7% |
Get High Income Households for all Zip Codes in Washington.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 99138 | $-1 | $49,318 | $66,071 | $42,813 |
| Inchelium CDP | $-1 | $-1 | $70,625 | $41,000 |
| Twin Lakes CDP | $-1 | $-1 | $66,458 | $46,750 |
| Ferry County | $71,688 | $85,043 | $59,591 | $44,489 |
Get Median Household Income by Age of Householder for all Zip Codes in Washington.
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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 99138 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+ | |||||
| 99138 | +/-$16,363 | +/-$10,322 | +/-$3,386 | +/-2.3% | +/-$-1 | +/-$40,370 | +/-$14,474 | +/-$6,109 |
| Inchelium CDP | +/-$34,531 | +/-$17,326 | +/-$6,480 | +/-21.9% | +/-$-1 | +/-$-1 | +/-$31,666 | +/-$18,156 |
| Twin Lakes CDP | +/-$12,280 | +/-$22,142 | +/-$8,948 | +/-12.1% | +/-$-1 | +/-$-1 | +/-$29,530 | +/-$9,579 |
| Ferry County | +/-$6,024 | +/-$5,223 | +/-$2,227 | +/-1.4% | +/-$22,790 | +/-$18,779 | +/-$8,643 | +/-$8,382 |