South Dakota migration, mapped
In 2022–23, 26,881 people moved into South Dakota and 24,469 moved out, a net of +2,412. Drag the year slider to watch the trend, hover any state to see the corridor, or click through to explore it.
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† IRS methodology change in this year’s files (see methodology)
What the flows say
- Biggest corridors: Minnesota leads both directions, with 3,450 people in and 3,023 out in 2022–23.
- Trend: net inflow has cooled over the last three years, from +6,266 in 2020–21 to +2,412 in 2022–23†.
Population · 2025
935,094
▲ 0.9% year over year · growing
Peak population
935,094
highest in the series shown (since 1910)
Why the population is changing
- Growth driver: growth is led by international migration (+3,183); domestic migration added +2,169 in 2025.
- Peak population: the 2025 estimate of 935,094 is the highest on record, in data going back to 1910.
Net income flow · 2022–23
+$256M
▲ $1.2B arrived · $923M left
Avg household income · movers
$74k in · $64k out
arrivals out-earn leavers by 16%
South Dakota wealth migration
- Money moved: households moving into South Dakota in 2022–23 reported $1.2B in income (AGI). Households leaving took $923M with them, a net gain of $256M.
- Income gap: the average household moving in reported $74k of income, vs $64k for leavers. Arrivals out-earn leavers by 16%.
Drill into a metro
IRS data goes deeper than states. Pick a metro to see its own corridors.
About the data
Migration figures come from the official IRS state-to-state files (exemptions ≈ people). Population figures are Census Bureau estimates, and the peak checks every census back to 1910. Income figures are the total income (AGI) movers reported in the same IRS files. Dollars are not adjusted for inflation, and household averages divide by the number of returns. Years marked † had a change in how the IRS built the files. Full details, caveats, and a suggested citation on the methodology page.
Download this data (CSV), free to use with attribution.
Every year, thousands of people move to South Dakota
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