How America Moves

Contra Costa County, CA

Migration of people and income, 2022–2023 filing years

Between the 2022 and 2023 filing years, Contra Costa County, CA saw a net loss of 4,064 tax-filing households and a net loss of 5,302 individuals. On net, the area lost $488.3M in associated adjusted gross income (AGI, nominal dollars). The largest inflow came from Alameda County; the largest outflow went to Alameda County. These figures cover federal income tax filers only and do not indicate why people moved.

Net income (AGI)
-$488.3M
nominal dollars
Net households
-4,064
tax returns
Net people
-5,302
exemptions

Income (AGI) in and out

Moved in$3.3B
Moved out$3.8B
Net -$488.3M (nominal)

Where movers came from

  1. 1Alameda County, CA7,141$1.0B
  2. 2San Francisco County, CA2,092$331.9M
  3. 3Santa Clara County, CA1,655$346.3M
  4. 4San Mateo County, CA1,313$206.4M
  5. 5Solano County, CA1,294$101.3M
  6. 6Los Angeles County, CA877$107.9M
  7. 7San Joaquin County, CA747$56.0M
  8. 8Sacramento County, CA684$49.4M
  9. 9San Diego County, CA387$34.0M
  10. 10Marin County, CA354$73.4M

Where movers went

  1. 1Alameda County, CA4,871$628.8M
  2. 2Solano County, CA2,151$177.9M
  3. 3San Francisco County, CA1,661$165.0M
  4. 4Sacramento County, CA1,170$91.4M
  5. 5Los Angeles County, CA1,011$106.8M
  6. 6Santa Clara County, CA1,002$136.8M
  7. 7San Joaquin County, CA977$83.4M
  8. 8San Mateo County, CA839$101.0M
  9. 9San Diego County, CA650$109.4M
  10. 10Placer County, CA424$61.6M

Net migration by year

Net 2012–2023: -$414.2M (+7,820 people)
20122023
Net AGI and net people by year (nominal dollars)
YearNet AGINet people
2012+$289.7M+7,433
2013+$161.9M+6,952
2014+$191.0M+6,935
2015-$320.4M+4,404
2016+$523.4M+5,549
2017+$138.8M+1,787
2018-$156.6M-1,107
2019+$22.9M-1,295
2020-$115.2M-2,866
2021-$131.3M-7,136
2022-$530.1M-7,534
2023-$488.3M-5,302

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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.