Market insights · Washington
Thurston County, WA: growth, migration and housing
Thurston County has 304,261 residents, up 2.8% since 2020 (+0.7% in the last year). In 2022–2023, 10,888 households moved in and 9,741 moved out (+1,147 net), bringing in a net $82.6M of income. Median household income is $96,563, the median home $480,300 and median rent $1,736 a month.
In Washington: 29th of 39 counties for 5-year population growth · 10th of 39 counties for net in-migration (per resident) · 6th of 39 counties for median household income · 14th of 39 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Thurston County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Pierce County, WA | 2,030 | $136.8M |
| King County, WA | 1,085 | $93.5M |
| Lewis County, WA | 483 | $24.9M |
| Mason County, WA | 361 | $19.2M |
| Grays Harbor County, WA | 320 | $19.6M |
| Snohomish County, WA | 268 | $20.6M |
| Clark County, WA | 153 | $10.0M |
| Maricopa County, AZ | 137 | $10.2M |
Where leavers went
Top counties by households leaving Thurston County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Pierce County, WA | 1,623 | $99.9M |
| King County, WA | 861 | $58.1M |
| Lewis County, WA | 558 | $39.1M |
| Mason County, WA | 366 | $24.2M |
| Grays Harbor County, WA | 319 | $21.6M |
| Maricopa County, AZ | 193 | $13.5M |
| Snohomish County, WA | 183 | $12.7M |
| Clark County, WA | 156 | $10.8M |
BizyFi in Thurston County
Fewer than 3 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Washington companies.
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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.