Comparison to Surrounding Areas
The median household income ($58,750) for 99170 is less than the median household income for 99004 ($67,337), 99012 ($88,571), 99031 ($98,182), 99158 ($78,375), 99176 ($128,000), and Spokane County ($78,582). But it's more than 99018 ($52,813), 99149 ($26,250), 99171 ($53,333), Whitman County ($55,406), and Rosalia town ($50,938).
| 99170 | $58,750 |
| Rosalia town | $50,938 |
| Spokane County | $78,582 |
| Whitman County | $55,406 |
Get Median Household Income for all Zip Codes in Washington.
The average household income ($84,322) for 99170 is less than the average household income for 99004 ($86,381), 99012 ($106,819), 99031 ($103,797), 99158 ($95,785), 99176 ($126,363), and Spokane County ($103,315). But it's more than 99018 ($61,306), 99149 ($40,070), 99171 ($63,754), Whitman County ($84,165), and Rosalia town ($73,055).
| 99170 | $84,322 |
| Rosalia town | $73,055 |
| Spokane County | $103,315 |
| Whitman County | $84,165 |
Get Average Household Income for all Zip Codes in Washington.
The per-capita income for 99170 is $35,231. The per capita income ($35,231) for 99170 is less than the per capita income for 99031 ($40,978), 99158 ($38,310), 99176 ($55,890), and Spokane County ($41,897). But it's more than 99012 ($34,545), 99149 ($18,424), 99171 ($32,685), 99004 ($33,190), 99018 ($26,360), Whitman County ($34,326), and Rosalia town ($32,794).
| 99170 | $35,231 |
| Rosalia town | $32,794 |
| Spokane County | $41,897 |
| Whitman County | $34,326 |
Get Per-Capita Income for all Zip Codes in Washington.
10.6% of households make over $200,000 a year. The percent high income households (10.6%) for 99170 is more than 99176 (9.7%), 99149 (0.0%), 99158 (6.6%), 99171 (2.7%), 99004 (7.8%), 99012 (8.8%), 99018 (0.0%), 99031 (9.3%), Whitman County (8.2%), Spokane County (10.1%), and Rosalia town (7.1%).
| 99170 | 10.6% |
| Rosalia town | 7.1% |
| Spokane County | 10.1% |
| Whitman County | 8.2% |
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 | |
|---|---|---|---|---|
| 99170 | $-1 | $135,000 | $66,563 | $44,333 |
| Rosalia town | $-1 | $109,167 | $-1 | $31,250 |
| Spokane County | $47,016 | $88,471 | $95,216 | $57,920 |
| Whitman County | $20,459 | $71,157 | $104,119 | $57,283 |
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 99170 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+ | |||||
| 99170 | +/-$15,557 | +/-$13,975 | +/-$5,091 | +/-5.5% | +/-$-1 | +/-$70,729 | +/-$38,584 | +/-$5,244 |
| Rosalia town | +/-$28,304 | +/-$17,045 | +/-$7,441 | +/-6.6% | +/-$-1 | +/-$96,962 | +/-$-1 | +/-$22,205 |
| Spokane County | +/-$1,591 | +/-$1,670 | +/-$653 | +/-0.5% | +/-$3,814 | +/-$2,051 | +/-$2,811 | +/-$2,258 |
| Whitman County | +/-$4,182 | +/-$5,353 | +/-$2,034 | +/-1.8% | +/-$2,520 | +/-$14,048 | +/-$17,576 | +/-$4,732 |