Fond du Lac migration, mapped
In 2022–23, 3,597 people moved into the Fond du Lac metro and 3,646 moved out, a net of −49. 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 Wisconsin leads both directions, with 685 people in and 728 out in 2022–23. The listed corridors cover about 61–68% of all flows; the totals count everyone.
- Trend: net flow has reversed from gain to loss over the last three years, from +275 in 2020–21 to −49 in 2022–23†.
Population · 2025
104,669
▼ 0.0% year over year · shrinking
Peak population · 2024
104,721
0.0% below the 2024 peak
Why the population is changing
- Growth driver: domestic outflow led the population decline in 2025: −193, against births minus deaths (−49) and international migration (+187).
- Peak population: the high-water mark was 104,721 in 2024. The 2025 estimate of 104,669 sits just below it.
Net income flow · 2022–23
−$14M
▼ $123M arrived · $137M left
Avg household income · movers
$55k in · $59k out
leavers out-earn arrivals by 7%
Fond du Lac wealth migration
- Money moved: households moving into the Fond du Lac metro in 2022–23 reported $123M in income (AGI). Households leaving took $137M with them, a net loss of $14M.
- 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 61% of inbound and 68% 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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