Williamsport migration, mapped
In 2022–23, 2,931 people moved into the Williamsport metro and 2,775 moved out, a net of +156. 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: Rest of Pennsylvania leads both directions, with 1,123 people in and 915 out in 2022–23. The listed corridors cover about 48–50% of all flows; the totals count everyone.
- Trend: net flow has reversed from loss to gain over the last three years, from −242 in 2020–21 to +156 in 2022–23†.
Population · 2025
112,587
▼ 0.3% year over year · shrinking
Peak population · 2000
119,851
6.1% below the 2000 peak
Why the population is changing
- Growth driver: the population shrank in 2025: domestic migration −67, births minus deaths −304, international migration +34.
- Peak population: the high-water mark was 119,851 in 2000. The 2025 estimate of 112,587 is 6.1% below that.
Net income flow · 2022–23
−$4M
▼ $100M arrived · $104M left
Avg household income · movers
$55k in · $59k out
leavers out-earn arrivals by 7%
Williamsport wealth migration
- Money moved: households moving into the Williamsport metro in 2022–23 reported $100M in income (AGI). Households leaving took $104M with them, a net loss of $4M.
- Income gap: the average household moving in reported $55k of income, vs $59k for leavers. Leavers out-earn arrivals by 7%.
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 50% of inbound and 48% 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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