Who's moving to and from King County, Washington?

More left than arrived in 2022–23: 92,253 people in, 105,256 out. Most were moving to or from other states.

See where they went ↓
Net change
−13,003 people
−162 households
Arrivals' income
$101.9k
avg income reported on the second-year tax return
Leavers' income
$131.3k
avg income reported on the second-year tax return

Where people leaving King County went in Washington

Orange lines show departures · thicker line = more people

Moves to and from other Washington counties, 2022–23. Out-of-state moves, like Los Angeles County, CA, are listed below.

Where did newcomers come from?

About 7 in 10 came from other states. People, 2022–23.

  1. Snohomish County11,026
  2. Pierce County9,505
  3. Los Angeles County, CA3,138
  4. Santa Clara County, CA2,036
  5. Maricopa County, AZ1,817
  6. San Diego County, CA1,591
  7. Kitsap County1,290
  8. Smaller moves from many other places (each under 20 households)7,464

Where did people go?

About 5 in 10 who left went to other states. People, 2022–23.

  1. Snohomish County17,266
  2. Pierce County16,244
  3. Maricopa County, AZ2,460
  4. Los Angeles County, CA2,375
  5. Kitsap County2,186
  6. Santa Clara County, CA1,725
  7. Thurston County1,680
  8. Smaller moves to many other places (each under 20 households)8,672

Not counted above

Arrived from abroad
1,895 people
Left for abroad
3,828 people

Moves abroad are never included in net change.

Is King usually growing from moves?

Mostly not. More households left than arrived in 6 of the 10 years with published totals.

Net migration · households (tax returns)
13–1414–1515–1616–1717–1818–1919–2020–2121–22−16222–23††‡†
Net migration of King County (Net migration · households (tax returns))
YearValue
2013–14+3,404
2014–15 †+4,306
2015–16+3,851
2016–17 †−1,233
2017–18−917
2018–19 ‡+2,875
2019–20−6,457
2020–21−10,813
2021–22−5,148
2022–23 †−162

The IRS changed its processing in 2014–15, 2016–17 and 2022–23. Compare years between the dotted lines. ‡ County disclosure-method change in 2018–19: small counts began being deleted rather than reassigned to similar categories. County figures across this break may not be comparable.

Cite this page

Moved Where. “Who's moving to and from King County, Washington?” movedwhere.com/county/king-county-wa. Data: IRS Statistics of Income migration data, 2022–23.