Comparison to Surrounding Areas
The median household income ($86,322) for 98611 is less than the median household income for 98645 ($101,429). But it's more than 98649 ($73,750), 98626 ($75,528), 98632 ($66,305), 98581 ($43,009), 98591 ($78,952), 98593 ($84,244), Cowlitz County ($76,531), and Castle Rock city ($69,639).
| 98611 | $86,322 |
| Castle Rock city | $69,639 |
| Cowlitz County | $76,531 |
Get Median Household Income for all Zip Codes in Washington.
The average household income ($97,922) for 98611 is less than the average household income for 98645 ($126,424) and 98649 ($110,645). But it's more than 98591 ($93,799), 98626 ($95,597), 98632 ($87,024), 98581 ($52,954), 98593 ($96,199), Cowlitz County ($95,669), and Castle Rock city ($79,888).
| 98611 | $97,922 |
| Castle Rock city | $79,888 |
| Cowlitz County | $95,669 |
Get Average Household Income for all Zip Codes in Washington.
The per-capita income for 98611 is $37,729. The per capita income ($37,729) for 98611 is less than the per capita income for 98645 ($50,854), 98649 ($47,267), and Cowlitz County ($38,105). But it's more than 98581 ($32,853), 98591 ($34,590), 98593 ($34,629), 98626 ($37,364), 98632 ($36,695), and Castle Rock city ($31,840).
| 98611 | $37,729 |
| Castle Rock city | $31,840 |
| Cowlitz County | $38,105 |
Get Per-Capita Income for all Zip Codes in Washington.
9.4% of households make over $200,000 a year. The percent high income households (9.4%) for 98611 is less than the percent high income households for 98645 (10.2%) and 98649 (10.9%). But it's more than 98591 (8.8%), 98626 (7.3%), 98632 (5.9%), 98581 (0.0%), 98593 (7.7%), Cowlitz County (7.5%), and Castle Rock city (0.8%).
| 98611 | 9.4% |
| Castle Rock city | 0.8% |
| Cowlitz 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 | |
|---|---|---|---|---|
| 98611 | $84,398 | $109,022 | $103,158 | $53,214 |
| Castle Rock city | $83,981 | $101,098 | $56,944 | $47,500 |
| Cowlitz County | $67,230 | $86,787 | $93,912 | $54,222 |
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 98611 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+ | |||||
| 98611 | +/-$12,746 | +/-$9,023 | +/-$4,489 | +/-3.7% | +/-$38,530 | +/-$8,562 | +/-$19,950 | +/-$10,080 |
| Castle Rock city | +/-$11,397 | +/-$11,328 | +/-$5,939 | +/-1.3% | +/-$56,825 | +/-$17,991 | +/-$20,567 | +/-$30,555 |
| Cowlitz County | +/-$3,128 | +/-$2,898 | +/-$1,176 | +/-0.8% | +/-$17,895 | +/-$5,521 | +/-$4,933 | +/-$3,500 |