Real IRS tax-return address changes, not a Census population estimate -- people who
actually filed from a different county the following year. Positive means more people
left than arrived; negative means the reverse. See the
reporting-vs-reality read of this same data
for how this compares against the Census's own population-change numbers.
2019→2020: 19,233 out, 19,564 in, net -331
2020→2021: 20,940 out, 19,280 in, net +1,660
2021→2022: 19,394 out, 18,919 in, net +475
2022→2023: 18,607 out, 17,573 in, net +1,034
Where Delaware County, PA's Leavers Went, 2022→2023
Each number below is people who moved specifically from Delaware County, PA to that one
county, in this one year -- not that county's own total gain from every source. Select it
in the picker above to see its own totals.
Philadelphia County (PA)4,819
Chester County (PA)3,183
Montgomery County (PA)2,099
New Castle County (DE)1,997
Bucks County (PA)400
Gloucester County (NJ)373
Camden County (NJ)328
Lancaster County (PA)251
New York County (NY)237
Sussex County (DE)220
Where Delaware County, PA's Arrivals Came From, 2022→2023
Each number below is people who moved specifically from that one county to Delaware County, PA,
in this one year -- not that county's own total loss to everywhere else.
Oluwadi