Dover migration, mapped
In 2022–23, 9,479 people moved into the Dover metro and 7,964 moved out, a net of +1,515. 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: Philadelphia, PA-NJ-DE-MD leads both directions, with 1,286 people in and 539 out in 2022–23. The listed corridors cover about 18–31% of all flows; the totals count everyone.
- Trend: net inflow has held roughly steady over the last three years, from +1,586 in 2020–21 to +1,515 in 2022–23†.
Population · 2025
194,786
▲ 1.0% year over year · growing
Peak population
194,786
highest in the series shown (since 2000)
Why the population is changing
- Growth driver: domestic migration added more people than anything else: +1,393 in 2025, ahead of births minus deaths (+145) and international migration (+354).
- Peak population: the 2025 estimate of 194,786 is the highest on record, in data going back to 2000.
Net income flow · 2022–23
+$48M
▲ $298M arrived · $251M left
Avg household income · movers
$57k in · $56k out
similar incomes both directions
Dover wealth migration
- Money moved: households moving into the Dover metro in 2022–23 reported $298M in income (AGI). Households leaving took $251M with them, a net gain of $48M.
- Income gap: the average household moving in reported $57k of income, vs $56k for leavers. Arriving and leaving households report similar incomes.
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 31% of inbound and 18% 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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