San Mateo County, CA
Migration of people and income, 2022–2023 filing years
Between the 2022 and 2023 filing years, San Mateo County, CA saw a net loss of 2,970 tax-filing households and a net loss of 6,762 individuals. On net, the area lost $965.1M in associated adjusted gross income (AGI, nominal dollars). The largest inflow came from San Francisco County; the largest outflow went to Santa Clara County. These figures cover federal income tax filers only and do not indicate why people moved.
Net income (AGI)
-$965.1M
nominal dollars
Net households
-2,970
tax returns
Net people
-6,762
exemptions
-9.3 net people per 1,000 residents (population 726,353)
Income (AGI) in and out
Moved in$3.6B
Moved out$4.6B
Net -$965.1M (nominal)
Where movers came from
- 1San Francisco County, CA4,514$798.9M
- 2Santa Clara County, CA3,879$975.6M
- 3Alameda County, CA2,026$301.6M
- 4Los Angeles County, CA977$139.4M
- 5Contra Costa County, CA839$101.0M
- 6San Diego County, CA439$50.7M
- 7Sacramento County, CA352$28.5M
- 8King County, WA329$77.0M
- 9Orange County, CA325$42.3M
- 10San Joaquin County, CA245$17.1M
Where movers went
- 1Santa Clara County, CA3,874$1.0B
- 2San Francisco County, CA3,710$609.5M
- 3Alameda County, CA2,498$361.5M
- 4Contra Costa County, CA1,313$206.4M
- 5Los Angeles County, CA900$128.3M
- 6Sacramento County, CA635$65.9M
- 7San Diego County, CA600$133.9M
- 8San Joaquin County, CA416$37.2M
- 9King County, WA397$76.9M
- 10Solano County, CA381$36.1M
Net migration by year
Net 2012–2023: -$8.4B (-95,295 people)
20122023
| Year | Net AGI | Net people |
|---|---|---|
| 2012 | +$286.2M | +670 |
| 2013 | +$280.6M | -1,211 |
| 2014 | -$30.7M | -1,996 |
| 2015 | +$159.0M | -2,129 |
| 2016 | -$82.4M | -7,099 |
| 2017 | -$613.8M | -10,671 |
| 2018 | -$476.7M | -8,218 |
| 2019 | +$666.7M | -8,836 |
| 2020 | -$1.7B | -16,343 |
| 2021 | -$3.2B | -21,085 |
| 2022 | -$2.6B | -11,615 |
| 2023 | -$965.1M | -6,762 |
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