Market insights · Washington
Grays Harbor County, WA: growth, migration and housing
Grays Harbor County has 78,144 residents, up 3.0% since 2020 (+0.2% in the last year). In 2022–2023, 1,976 households moved in and 1,737 moved out (+239 net), bringing in a net $34.8M of income. Median household income is $64,414, the median home $314,000 and median rent $1,062 a month.
In Washington: 28th of 39 counties for 5-year population growth · 14th of 39 counties for net in-migration (per resident) · 35th of 39 counties for median household income · 31st of 39 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Grays Harbor County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Thurston County, WA | 319 | $21.6M |
| King County, WA | 218 | $21.9M |
| Pierce County, WA | 213 | $13.7M |
| Snohomish County, WA | 87 | $6.3M |
| Lewis County, WA | 78 | $3.9M |
| Mason County, WA | 74 | $3.9M |
| Pacific County, WA | 50 | $1.9M |
| Kitsap County, WA | 44 | $2.9M |
Where leavers went
Top counties by households leaving Grays Harbor County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Thurston County, WA | 320 | $19.6M |
| King County, WA | 136 | $8.7M |
| Pierce County, WA | 116 | $8.2M |
| Mason County, WA | 84 | $4.2M |
| Lewis County, WA | 68 | $3.8M |
| Snohomish County, WA | 51 | $2.4M |
| Spokane County, WA | 44 | $2.3M |
| Pacific County, WA | 43 | $1.7M |
BizyFi in Grays Harbor 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.