Casper migration, mapped
In 2022–23, 3,467 people moved into the Casper metro and 3,361 moved out, a net of +106. 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 Wyoming leads both directions, with 682 people in and 518 out in 2022–23. The listed corridors cover about 32–34% of all flows; the totals count everyone.
- Trend: net flow has reversed from loss to gain over the last three years, from −477 in 2020–21 to +106 in 2022–23†.
Population · 2025
80,526
▲ 0.3% year over year · growing
Peak population · 2015
82,218
2.1% below the 2015 peak
Why the population is changing
- Growth driver: domestic migration added more people than anything else: +335 in 2025, ahead of births minus deaths (−25) and international migration (−60).
- Peak population: the high-water mark was 82,218 in 2015. The 2025 estimate of 80,526 is 2.1% below that.
Net income flow · 2022–23
+$143k
▲ $125M arrived · $125M left
Avg household income · movers
$64k in · $67k out
leavers out-earn arrivals by 5%
Casper wealth migration
- Money moved: households moving into the Casper metro in 2022–23 reported $125M in income (AGI). Households leaving took $125M with them, a net gain of $143k.
- Income gap: the average household moving in reported $64k of income, vs $67k for leavers. Leavers out-earn arrivals by 5%.
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 34% of inbound and 32% 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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