Comparison to Surrounding Areas
The median household income ($76,438) for 98188 is less than the median household income for 98198 ($86,239), 98148 ($87,342), 98168 ($88,083), 98178 ($99,505), 98032 ($82,636), King County ($124,746), SeaTac city ($81,104), and Tukwila city ($78,381). But it's more than 98057 ($68,552) and 98158 ($-1).
| 98188 | $76,438 |
| SeaTac city | $81,104 |
| Tukwila city | $78,381 |
| King County | $124,746 |
Get Median Household Income for all Zip Codes in Washington.
The average household income ($96,830) for 98188 is less than the average household income for 98198 ($110,895), 98148 ($107,678), 98168 ($109,455), 98178 ($139,638), 98032 ($112,358), 98057 ($96,865), King County ($176,799), SeaTac city ($98,134), and Tukwila city ($102,598). But it's more than 98158 ($-1).
| 98188 | $96,830 |
| SeaTac city | $98,134 |
| Tukwila city | $102,598 |
| King County | $176,799 |
Get Average Household Income for all Zip Codes in Washington.
The per-capita income for 98188 is $41,508. The per capita income ($41,508) for 98188 is less than the per capita income for 98032 ($41,841), 98057 ($49,543), 98148 ($45,702), 98178 ($49,953), 98198 ($41,819), and King County ($74,100). But it's more than 98158 ($-1), 98168 ($39,321), SeaTac city ($38,330), and Tukwila city ($39,158).
| 98188 | $41,508 |
| SeaTac city | $38,330 |
| Tukwila city | $39,158 |
| King County | $74,100 |
Get Per-Capita Income for all Zip Codes in Washington.
7.9% of households make over $200,000 a year. The percent high income households (7.9%) for 98188 is less than the percent high income households for 98198 (12.3%), 98168 (10.9%), 98178 (18.0%), 98032 (11.5%), 98057 (12.3%), 98148 (9.0%), King County (29.8%), and SeaTac city (8.1%). But it's more than 98158 (-1.0%) and Tukwila city (7.4%).
| 98188 | 7.9% |
| SeaTac city | 8.1% |
| Tukwila city | 7.4% |
| 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 | |
|---|---|---|---|---|
| 98188 | $-1 | $73,333 | $102,794 | $60,425 |
| SeaTac city | $-1 | $72,382 | $103,654 | $57,407 |
| Tukwila city | $-1 | $76,881 | $98,328 | $62,192 |
| 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 98188 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+ | |||||
| 98188 | +/-$7,723 | +/-$6,553 | +/-$2,858 | +/-2.8% | +/-$-1 | +/-$8,569 | +/-$14,453 | +/-$5,522 |
| SeaTac city | +/-$9,991 | +/-$6,054 | +/-$2,636 | +/-2.7% | +/-$-1 | +/-$12,951 | +/-$17,179 | +/-$21,524 |
| Tukwila city | +/-$7,350 | +/-$7,046 | +/-$2,938 | +/-1.8% | +/-$-1 | +/-$5,048 | +/-$10,920 | +/-$6,564 |
| King County | +/-$968 | +/-$1,434 | +/-$589 | +/-0.3% | +/-$4,203 | +/-$2,300 | +/-$2,834 | +/-$1,904 |