Market insights · Washington
Jefferson County, WA: growth, migration and housing
Jefferson County has 33,970 residents, up 2.7% since 2020 (+0.2% in the last year). In 2022–2023, 1,242 households moved in and 975 moved out (+267 net), bringing in a net $40.7M of income. Median household income is $74,048, the median home $535,000 and median rent $1,522 a month.
In Washington: 30th of 39 counties for 5-year population growth · 2nd of 39 counties for net in-migration (per resident) · 21st of 39 counties for median household income · 8th of 39 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Jefferson County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| King County, WA | 203 | $26.4M |
| Kitsap County, WA | 146 | $13.4M |
| Clallam County, WA | 80 | $5.2M |
| Snohomish County, WA | 64 | $8.1M |
| Pierce County, WA | 61 | $5.6M |
| Multnomah County, OR | 28 | $1.7M |
| Whatcom County, WA | 24 | $1.7M |
| Maricopa County, AZ | 21 | $1.7M |
Where leavers went
Top counties by households leaving Jefferson County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Kitsap County, WA | 142 | $10.8M |
| King County, WA | 109 | $10.5M |
| Clallam County, WA | 93 | $8.4M |
| Pierce County, WA | 41 | $3.0M |
| Snohomish County, WA | 34 | $2.3M |
| Thurston County, WA | 31 | $1.4M |
BizyFi in Jefferson County
No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse Washington companies.
← All Washington counties · National rankings
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.