King County, WA
Migration of people and income, 2022–2023 filing years
Between the 2022 and 2023 filing years, King County, WA saw a net loss of 1,324 tax-filing households and a net loss of 14,936 individuals. On net, the area lost $2.2B in associated adjusted gross income (AGI, nominal dollars). The largest inflow came from Snohomish County; the largest outflow went to Snohomish County. These figures cover federal income tax filers only and do not indicate why people moved.
Income (AGI) in and out
Where movers came from
- 1Snohomish County, WA7,334$710.3M
- 2Pierce County, WA6,086$415.8M
- 3Los Angeles County, CA2,363$289.2M
- 4Santa Clara County, CA1,462$342.0M
- 5Maricopa County, AZ1,322$151.0M
- 6San Diego County, CA1,128$109.7M
- 7Kitsap County, WA960$93.9M
- 8Cook County, IL954$120.7M
- 9Orange County, CA937$121.8M
- 10Multnomah County, OR927$96.0M
Where movers went
- 1Snohomish County, WA10,534$1.3B
- 2Pierce County, WA9,291$753.4M
- 3Los Angeles County, CA1,799$229.0M
- 4Maricopa County, AZ1,502$301.3M
- 5Kitsap County, WA1,360$178.1M
- 6Santa Clara County, CA1,214$271.7M
- 7San Diego County, CA1,112$160.0M
- 8Thurston County, WA1,085$93.5M
- 9Whatcom County, WA1,004$97.4M
- 10New York County, NY918$153.0M
Net migration by year
| Year | Net AGI | Net people |
|---|---|---|
| 2012 | +$168.8M | +3,263 |
| 2013 | +$639.4M | +1,551 |
| 2014 | +$87.8M | -243 |
| 2015 | +$202.3M | +1,365 |
| 2016 | +$282.6M | -681 |
| 2017 | -$592.4M | -14,788 |
| 2018 | -$378.8M | -12,358 |
| 2019 | -$800.9M | -4,253 |
| 2020 | -$1.4B | -23,159 |
| 2021 | -$2.4B | -32,121 |
| 2022 | -$3.6B | -24,425 |
| 2023 | -$2.2B | -14,936 |
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Source: IRS Statistics of Income migration data (public domain). Covers federal income tax filers only; AGI is nominal (not inflation adjusted). These numbers describe movement of filers and their reported income, not why people moved or economic loss. Methodology and caveats.