Comparison to Surrounding Areas
The median household income ($105,965) for 98031 is less than the median household income for 98042 ($127,552), 98058 ($115,201), and King County ($124,746). But it's more than 98030 ($91,761), 98032 ($82,636), 98055 ($97,224), and Kent city ($92,302).
| 98031 | $105,965 |
| Kent city | $92,302 |
| King County | $124,746 |
Get Median Household Income for all Zip Codes in Washington.
The average household income ($128,468) for 98031 is less than the average household income for 98042 ($152,534), 98058 ($144,526), and King County ($176,799). But it's more than 98030 ($108,365), 98032 ($112,358), 98055 ($122,305), and Kent city ($118,856).
| 98031 | $128,468 |
| Kent city | $118,856 |
| King County | $176,799 |
Get Average Household Income for all Zip Codes in Washington.
The per-capita income for 98031 is $46,315. The per capita income ($46,315) for 98031 is less than the per capita income for 98042 ($53,041), 98055 ($48,955), 98058 ($53,167), and King County ($74,100). But it's more than 98030 ($38,046), 98032 ($41,841), and Kent city ($42,664).
| 98031 | $46,315 |
| Kent city | $42,664 |
| King County | $74,100 |
Get Per-Capita Income for all Zip Codes in Washington.
17.1% of households make over $200,000 a year. The percent high income households (17.1%) for 98031 is less than the percent high income households for 98042 (25.0%), 98058 (22.0%), and King County (29.8%). But it's more than 98030 (10.4%), 98032 (11.5%), 98055 (17.0%), and Kent city (14.4%).
| 98031 | 17.1% |
| Kent city | 14.4% |
| King County | 29.8% |
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 | |
|---|---|---|---|---|
| 98031 | $81,719 | $112,116 | $117,796 | $72,297 |
| Kent city | $61,374 | $97,218 | $110,241 | $68,314 |
| King County | $65,321 | $143,048 | $147,614 | $76,893 |
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 98031 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+ | |||||
| 98031 | +/-$12,994 | +/-$6,731 | +/-$2,430 | +/-2.0% | +/-$31,164 | +/-$9,681 | +/-$8,773 | +/-$5,308 |
| Kent city | +/-$3,984 | +/-$3,773 | +/-$1,426 | +/-1.1% | +/-$5,919 | +/-$6,777 | +/-$8,613 | +/-$4,592 |
| King County | +/-$968 | +/-$1,434 | +/-$589 | +/-0.3% | +/-$4,203 | +/-$2,300 | +/-$2,834 | +/-$1,904 |