Market insights · Washington
Walla Walla County, WA: growth, migration and housing
Walla Walla County has 62,361 residents, down 0.4% since 2020 (+0.4% in the last year). In 2022–2023, 1,491 households moved in and 1,499 moved out (-8 net), bringing in a net $41.6M of income. Median household income is $74,202, the median home $408,900 and median rent $1,218 a month.
In Washington: 38th of 39 counties for 5-year population growth · 34th of 39 counties for net in-migration (per resident) · 20th of 39 counties for median household income · 20th of 39 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Walla Walla County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Umatilla County, OR | 158 | $7.9M |
| Benton County, WA | 143 | $7.5M |
| King County, WA | 104 | $16.5M |
| Franklin County, WA | 82 | $4.1M |
| Spokane County, WA | 60 | $3.5M |
| Yakima County, WA | 37 | $2.5M |
| Pierce County, WA | 36 | $3.2M |
| Columbia County, WA | 35 | $1.7M |
Where leavers went
Top counties by households leaving Walla Walla County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Benton County, WA | 168 | $9.7M |
| Umatilla County, OR | 119 | $5.8M |
| Franklin County, WA | 91 | $4.7M |
| King County, WA | 74 | $8.9M |
| Spokane County, WA | 70 | $3.7M |
| Columbia County, WA | 42 | $1.9M |
| Maricopa County, AZ | 35 | $2.7M |
| Yakima County, WA | 34 | $1.9M |
BizyFi in Walla Walla County
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.