countymoves

Contra Costa County, California

Between the 2022 and 2023 tax filing seasons, 24,964 returns moved into Contra Costa County and 29,028 moved out, a net loss of 4,064 returns, or 8.4 for every 1,000 returns filed there.

Within 150 miles

Contra CostaAlamedaSolanoSanta ClaraSan Mateo

Farther away

Contra CostaLos Angeles

ArrivalsDeparturesThicker line, more returns

Movers from other states made up 22% of arrivals, the 4th-lowest share among the 285 counties with at least 40 listed origin and 40 listed destination counties. One county, Alameda County, supplied 29% of all arriving returns. On balance, Contra Costa gains the most returns from Alameda County and loses the most to Solano County. Moves in and out together equal 11.1% of Contra Costa’s returns, less than the 13.8% median of these 285 counties.

The biggest two-way exchanges

Moves in both directions combined, largest first.

  1. Alameda4,8717,141+2,270
  2. San Francisco1,6612,092+431
  3. Solano2,1511,294−857
  4. Santa Clara1,0021,655+653
  5. San Mateo8391,313+474
  6. Los Angeles1,011877−134
  7. Sacramento1,170684−486
  8. San Joaquin977747−230
  9. San Diego650387−263
  10. Orange413306−107
  11. Marin324354+30
  12. Placer424165−259

Beyond the main partners

In 2022–23, 97 counties sent 20 or more returns each (89% of arrivals from within the US) and 139 received 20 or more (88% of departures). Of those listed arrivals, 77% came from within 150 miles; the most distant listed origin was Suffolk, MA, 2,668 miles away.

Arrivals: the next 20 origins
CountyReturnsPeopleMiles
Sonoma24836367
Clark, NV201347400
King, WA195312661
Stanislaus19333057
Maricopa, AZ184309617
Harris, TX1783831,615
Riverside162260441
Yolo14919853
Fresno140274149
Napa13621345
Monterey127212121
Santa Cruz12116863
San Bernardino113179384
Cook, IL1131961,826
Washoe, NV102150230
New York, NY961392,539
Honolulu, HI901502,434
Multnomah, OR85116528
Kern84148252
El Dorado7412197
Departures: the next 20 destinations
CountyReturnsPeopleMiles
Maricopa, AZ391683617
Clark, NV383624400
King, WA341467661
Sonoma33851667
Harris, TX2926761,615
Washoe, NV278446230
Stanislaus25846657
Riverside226383441
New York, NY2262522,539
Napa21938545
El Dorado20939697
Ada, ID172338485
Fresno168287149
Yolo16323553
Butte160282122
Cook, IL1562131,826
Travis, TX1532271,481
Santa Cruz13418163
Nevada133236115
San Bernardino133252384

Other states in the exchange

Arrivals from

  1. Texas545
  2. Washington310
  3. Nevada303
  4. Oregon237
  5. Arizona236
  6. New York196

Departures to

  1. Texas1,260
  2. Nevada732
  3. Washington610
  4. Arizona547
  5. Oregon459
  6. New York401

Four filing years

29,28430,7322019–2029,71033,3162020–2127,07432,0752021–2224,96429,0282022–23

InOut

Contra Costa shows a net loss in every year shown; arrivals and departures both peaked in 2020–21. Earlier net rates per 1,000: −3.1 in 2019–20, −7.7 in 2020–21, −10.4 in 2021–22.

Income reported by movers and stayers

  • $131,341 Leaving
  • $133,160 Arriving
  • $156,199 Staying

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

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