Comparison to Surrounding Areas
The median household income ($98,182) for 99031 is less than the median household income for 99036 ($121,518). But it's more than 99004 ($67,337), 99012 ($88,571), 99170 ($58,750), 99224 ($80,770), Spokane County ($78,582), and Spangle city ($74,145).
| 99031 | $98,182 |
| Spangle city | $74,145 |
| Spokane County | $78,582 |
Get Median Household Income for all Zip Codes in Washington.
The average household income ($103,797) for 99031 is less than the average household income for 99012 ($106,819), 99036 ($135,140), and 99224 ($110,661). But it's more than 99004 ($86,381), 99170 ($84,322), Spokane County ($103,315), and Spangle city ($99,120).
| 99031 | $103,797 |
| Spangle city | $99,120 |
| Spokane County | $103,315 |
Get Average Household Income for all Zip Codes in Washington.
The per-capita income for 99031 is $40,978. The per capita income ($40,978) for 99031 is less than the per capita income for 99036 ($60,729), 99224 ($46,936), Spokane County ($41,897), and Spangle city ($43,906). But it's more than 99004 ($33,190), 99012 ($34,545), and 99170 ($35,231).
| 99031 | $40,978 |
| Spangle city | $43,906 |
| Spokane County | $41,897 |
Get Per-Capita Income for all Zip Codes in Washington.
9.3% of households make over $200,000 a year. The percent high income households (9.3%) for 99031 is less than the percent high income households for 99036 (19.6%), 99170 (10.6%), 99224 (11.9%), and Spokane County (10.1%). But it's more than 99004 (7.8%), 99012 (8.8%), and Spangle city (9.1%).
| 99031 | 9.3% |
| Spangle city | 9.1% |
| Spokane County | 10.1% |
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 | |
|---|---|---|---|---|
| 99031 | $-1 | $74,605 | $105,250 | $56,827 |
| Spangle city | $-1 | $73,750 | $160,833 | $41,250 |
| Spokane County | $47,016 | $88,471 | $95,216 | $57,920 |
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 99031 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+ | |||||
| 99031 | +/-$14,536 | +/-$17,442 | +/-$10,414 | +/-6.8% | +/-$-1 | +/-$50,347 | +/-$8,819 | +/-$37,616 |
| Spangle city | +/-$25,546 | +/-$27,833 | +/-$13,759 | +/-10.3% | +/-$-1 | +/-$12,134 | +/-$142,174 | +/-$26,972 |
| Spokane County | +/-$1,591 | +/-$1,670 | +/-$653 | +/-0.5% | +/-$3,814 | +/-$2,051 | +/-$2,811 | +/-$2,258 |