Market insights · Washington
Franklin County, WA: growth, migration and housing
Franklin County has 102,612 residents, up 5.6% since 2020 (+1.2% in the last year). In 2022–2023, 2,735 households moved in and 2,827 moved out (-92 net), bringing in a net $3.0M of income. Median household income is $86,714, the median home $379,300 and median rent $1,198 a month.
In Washington: 12th of 39 counties for 5-year population growth · 37th of 39 counties for net in-migration (per resident) · 11th of 39 counties for median household income · 25th of 39 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Franklin County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Benton County, WA | 1,320 | $77.6M |
| Yakima County, WA | 137 | $5.6M |
| Grant County, WA | 91 | $3.8M |
| Walla Walla County, WA | 91 | $4.7M |
| King County, WA | 79 | $5.0M |
| Spokane County, WA | 64 | $3.7M |
| Umatilla County, OR | 63 | $2.5M |
| Adams County, WA | 53 | $2.9M |
Where leavers went
Top counties by households leaving Franklin County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Benton County, WA | 1,501 | $80.6M |
| Grant County, WA | 86 | $3.6M |
| Walla Walla County, WA | 82 | $4.1M |
| Yakima County, WA | 78 | $3.3M |
| Spokane County, WA | 64 | $3.8M |
| King County, WA | 61 | $4.4M |
| Umatilla County, OR | 57 | $2.1M |
| Adams County, WA | 41 | $3.3M |
BizyFi in Franklin 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.