Market insights · Washington
Grant County, WA: growth, migration and housing
Grant County has 105,727 residents, up 6.3% since 2020 (+0.8% in the last year). In 2022–2023, 2,402 households moved in and 2,311 moved out (+91 net), bringing in a net $6.3M of income. Median household income is $73,267, the median home $299,500 and median rent $1,116 a month.
In Washington: 11th of 39 counties for 5-year population growth · 28th of 39 counties for net in-migration (per resident) · 23rd of 39 counties for median household income · 34th of 39 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Grant County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Yakima County, WA | 194 | $5.0M |
| King County, WA | 184 | $19.4M |
| Adams County, WA | 152 | $6.1M |
| Spokane County, WA | 135 | $8.0M |
| Snohomish County, WA | 130 | $13.5M |
| Douglas County, WA | 122 | $6.3M |
| Chelan County, WA | 120 | $6.6M |
| Pierce County, WA | 101 | $6.1M |
Where leavers went
Top counties by households leaving Grant County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Yakima County, WA | 180 | $6.0M |
| Spokane County, WA | 177 | $10.7M |
| Benton County, WA | 174 | $11.0M |
| Chelan County, WA | 134 | $6.1M |
| King County, WA | 117 | $9.7M |
| Douglas County, WA | 105 | $5.6M |
| Adams County, WA | 101 | $3.3M |
| Franklin County, WA | 91 | $3.8M |
BizyFi in Grant 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.