San Francisco-Oakland-Fremont migration, mapped
In 2022–23, 119,542 people moved into the San Francisco metro and 155,909 moved out, a net of −36,367. Yellow arcs are people arriving, blue arcs are people leaving. Hover a dot to see the corridor, or click through to compare.
The map couldn’t load. The numbers below still tell the story.
† IRS methodology change in this year’s files (see methodology)
What the flows say
- Biggest published corridors: San Jose, CA leads both directions, with 24,523 people in and 17,983 out in 2022–23.
- Trend: net outflow has eased over the last three years, from −97,457 in 2020–21 to −36,367 in 2022–23†.
Population · 2025
4,630,041
▲ 0.1% year over year · growing
Peak population · 2020
4,745,853
2.4% below the 2020 peak
Why the population is changing
- Growth driver: the population grew in 2025 even after losing 29,692 people to domestic migration. International migration (+24,846) and births minus deaths (+11,342) more than made up for it.
- Peak population: the high-water mark was 4,745,853 in 2020. The 2025 estimate of 4,630,041 is 2.4% below that.
Net income flow · 2022–23
−$4.3B
▼ $11.1B arrived · $15.4B left
Avg household income · movers
$133k in · $156k out
leavers out-earn arrivals by 17%
San Francisco wealth migration
- Money moved: households moving into the San Francisco metro in 2022–23 reported $11.1B in income (AGI). Households leaving took $15.4B with them, a net loss of $4.3B.
- Income gap: the average household moving in reported $133k of income, vs $156k for leavers. Leavers out-earn arrivals by 17%.
About the data
Corridors are IRS county-to-county migration flows added up into metro areas (2023 Census metro definitions; exemptions ≈ people). "Rest of" entries cover a state's counties outside any featured metro. The IRS hides corridors with fewer than 20 returns, so the lists here cover about 86% of inbound and 86% of outbound movers in 2022–23. The in, out, and net totals count everyone. Income figures are the total income (AGI) movers reported, from the complete county totals. Dollars are not adjusted for inflation, and household averages divide by the number of returns. Population figures are Census Bureau estimates; the peak covers records since 2000. Years marked † had a change in how the IRS built the files. Full details on the methodology page.
Download this data (CSV), free to use with attribution.
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