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: 17,647 out, 27,486 in, net -9,839
2020→2021: 19,095 out, 26,543 in, net -7,448
2021→2022: 19,063 out, 23,473 in, net -4,410
2022→2023: 18,047 out, 22,368 in, net -4,321
Where Ada County, ID's Leavers Went, 2022→2023
Each number below is people who moved specifically from Ada County, ID 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.
Canyon County (ID)6,770
Maricopa County (AZ)549
Elmore County (ID)416
Gem County (ID)404
King County (WA)357
Utah County (UT)334
Twin Falls County (ID)316
Valley County (ID)308
Salt Lake County (UT)300
Boise County (ID)263
Where Ada County, ID's Arrivals Came From, 2022→2023
Each number below is people who moved specifically from that one county to Ada County, ID,
in this one year -- not that county's own total loss to everywhere else.