countymoves

King County, Washington

Between the 2022 and 2023 tax filing seasons, 67,282 returns moved into King County and 68,606 moved out, a net loss of 1,324 returns, or 1.3 for every 1,000 returns filed there.

Within 150 miles

KingSnohomishPierceKitsapThurstonWhatcomMultnomah, OR

Farther away

KingLos Angeles, CASanta Clara, CA

ArrivalsDeparturesThicker line, more returns

Of the 7 Washington counties with at least 40 listed origin and 40 listed destination counties, King has the lowest net migration rate. No other Washington county lost as many returns through moves. Departing returns reported a higher average income than arriving ones, by one of the ten widest margins among the 285 such counties nationwide. The median move into King covered 854 miles, the 4th-longest among these 285 counties.

The biggest two-way exchanges

Moves in both directions combined, largest first.

  1. Snohomish10,5347,334−3,200
  2. Pierce9,2916,086−3,205
  3. Los Angeles, CA1,7992,363+564
  4. Maricopa, AZ1,5021,322−180
  5. Santa Clara, CA1,2141,462+248
  6. Kitsap1,360960−400
  7. San Diego, CA1,1121,128+16
  8. Thurston1,085861−224
  9. Whatcom1,004834−170
  10. Multnomah, OR805927+122
  11. Cook, IL750954+204
  12. Orange, CA730937+207

Beyond the main partners

In 2022–23, 342 counties sent 20 or more returns each (92% of arrivals from within the US) and 301 received 20 or more (92% of departures). Of those listed arrivals, 34% came from within 150 miles; the most distant listed origin was Kauai, HI, 2,734 miles away.

Arrivals: the next 20 origins
CountyReturnsPeopleMiles
Alameda, CA8461,172680
Spokane716938207
San Francisco, CA696880677
Honolulu, HI5839022,701
Harris, TX5818641,859
Travis, TX5657811,749
Clark, NV555840854
Clark547761123
Washington, OR510794147
Middlesex, MA4866332,445
New York, NY4816042,379
Dallas, TX4776481,657
Kings, NY4596022,385
Salt Lake, UT438613680
Denver, CO405478999
San Mateo, CA397556697
Yakima38852788
Suffolk, MA3874432,467
Riverside, CA370532998
Hennepin, MN3594681,358
Departures: the next 20 destinations
CountyReturnsPeopleMiles
New York, NY9181,0532,379
San Francisco, CA790902677
Spokane7551,175207
Travis, TX6579721,749
Clark, NV6431,006854
Kings, NY6016862,385
Alameda, CA573815680
Clark520786123
Island50882260
Skagit45770269
Kittitas43971560
Harris, TX4247221,859
Riverside, CA383618998
Ada, ID367597389
Collin, TX3617751,644
Dallas, TX3545531,657
Denver, CO349431999
Washington, OR348548147
Honolulu, HI3355092,701
San Mateo, CA329458697

Other states in the exchange

Arrivals from

  1. California10,722
  2. Texas3,439
  3. Oregon2,412
  4. New York2,176
  5. Florida1,874
  6. Arizona1,799

Departures to

  1. California8,477
  2. Texas3,171
  3. New York2,057
  4. Arizona2,054
  5. Oregon2,033
  6. Florida1,530

Four filing years

63,75470,1912019–2064,72375,4932020–2168,77373,8652021–2267,28268,6062022–23

InOut

King shows a net loss in every year shown; arrivals peaked in 2021–22 and departures in 2020–21. Earlier net rates per 1,000: −6.6 in 2019–20, −11.0 in 2020–21, −5.1 in 2021–22.

Income reported by movers and stayers

  • $102,956 Arriving
  • $132,967 Leaving
  • $177,740 Staying

Average adjusted gross income per return: non-moving returns reported the most, arriving returns the least.

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