Comparison to Surrounding Areas
The median household income ($51,250) for 99105 is less than the median household income for 99125 ($52,569), 99169 ($66,061), 99333 ($98,315), 99371 ($77,500), and Adams County ($66,136). But it's more than 99143 ($38,214).
| 99105 | $51,250 |
| Adams County | $66,136 |
Get Median Household Income for all Zip Codes in Washington.
The average household income ($137,887) for 99105 is more than 99125 ($70,879), 99143 ($71,920), 99169 ($84,420), 99333 ($99,038), 99371 ($77,407), and Adams County ($92,806).
| 99105 | $137,887 |
| Adams County | $92,806 |
Get Average Household Income for all Zip Codes in Washington.
The per-capita income for 99105 is $77,754. The per capita income ($77,754) for 99105 is more than 99125 ($29,353), 99143 ($37,459), 99169 ($36,381), 99333 ($38,560), 99371 ($31,288), and Adams County ($28,514).
| 99105 | $77,754 |
| Adams County | $28,514 |
Get Per-Capita Income for all Zip Codes in Washington.
17.4% of households make over $200,000 a year. The percent high income households (17.4%) for 99105 is more than 99125 (1.6%), 99143 (2.9%), 99169 (4.3%), 99333 (8.9%), 99371 (0.0%), and Adams County (7.5%).
| 99105 | 17.4% |
| Adams County | 7.5% |
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 | |
|---|---|---|---|---|
| 99105 | $-1 | $-1 | $-1 | $51,250 |
| Adams County | $55,072 | $62,500 | $88,878 | $53,600 |
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 99105 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+ | |||||
| 99105 | +/-$33,332 | +/-$88,019 | +/-$51,726 | +/-16.6% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$20,913 |
| Adams County | +/-$4,393 | +/-$8,508 | +/-$2,582 | +/-2.2% | +/-$47,886 | +/-$14,274 | +/-$3,020 | +/-$7,506 |