Citable statement
In ACS 2024, 222,059 people living in Washington reported living in another U.S. state one year earlier (± 12,169), and 204,352 people living in another state reported living in Washington a year earlier (± 10,306), both at 90% margin of error.
- Source ·
- U.S. Census Bureau, State-to-State Migration Flows: 2024 American Community Survey 1-Year Estimates (Table T13). Official release Jan 21, 2026. Margins of error are 90% MOE.
- Status ·
- Latest available as of Sep 7, 2026. No 2025 state-to-state table is published.
- Limitation ·
- Previous-residence counts of people aged 1 and over, not household-goods shipments or permanent relocations. Moves from abroad are excluded from these two totals.
- Cite as ·
- IMMERVEIL, “Washington interstate migration, ACS 2024”, https://immerveil.fyi/states/washington — derived from U.S. Census Bureau ACS 2024 1-year Table T13.
Net interstate balance
Washington recorded 17,707 more arrivals from other states than departures to them (difference ± 15,947, 90% MOE). That balance is larger than its own margin of error, so the direction is distinguishable from zero at 90% confidence.
Difference test: √(MOE_in² + MOE_out²) per Census Bureau statistical-testing guidance. Not a net count of trucks or shipments.
Largest inbound origins
- California → Washington43,938 ± 5,464
- Oregon → Washington32,341 ± 4,186
- Texas → Washington16,202 ± 3,734
- Colorado → Washington9,980 ± 3,014
- Arizona → Washington8,638 ± 2,604
- Florida → Washington8,419 ± 2,973
- Idaho → Washington7,927 ± 1,960
- New York → Washington7,171 ± 2,067
- Montana → Washington6,291 ± 2,249
- Illinois → Washington5,719 ± 2,534
Largest outbound destinations
- Washington → California26,956 ± 4,931
- Washington → Oregon20,388 ± 3,359
- Washington → Idaho17,837 ± 3,554
- Washington → Arizona17,601 ± 3,256
- Washington → Texas15,937 ± 3,731
- Washington → Florida10,574 ± 3,473
- Washington → New York6,409 ± 1,675
- Washington → Colorado6,188 ± 1,802
- Washington → Utah5,051 ± 2,028
- Washington → Nevada4,887 ± 2,314
Indexed corridors out of Washington (9)
- Washington → California26,956 ± 4,931
- Washington → Oregon20,388 ± 3,359
- Washington → Idaho17,837 ± 3,554
- Washington → Arizona17,601 ± 3,256
- Washington → Texas15,937 ± 3,731
- Washington → Florida10,574 ± 3,473
- Washington → New York6,409 ± 1,675
- Washington → Colorado6,188 ± 1,802
- Washington → Utah5,051 ± 2,028
Indexed corridors into Washington (11)
- California → Washington43,938 ± 5,464
- Oregon → Washington32,341 ± 4,186
- Texas → Washington16,202 ± 3,734
- Colorado → Washington9,980 ± 3,014
- Arizona → Washington8,638 ± 2,604
- Florida → Washington8,419 ± 2,973
- Idaho → Washington7,927 ± 1,960
- New York → Washington7,171 ± 2,067
- Montana → Washington6,291 ± 2,249
- Illinois → Washington5,719 ± 2,534
- Georgia → Washington5,613 ± 2,048
Largest inbound origin: California. Largest outbound destination: California.
Questions this page answers
- Where does Washington rank among U.S. states for interstate migration?
- ACS 2024 1-year: 10th of 51 for people arriving from another state; 12th of 51 for people leaving for another state. Ranks are competition ranks among the 50 states and DC; ties share a rank.
- Does Washington gain or lose people to other states?
- Washington recorded 17,707 more arrivals from other states than departures to them (difference ± 15,947, 90% MOE). That balance is larger than its own margin of error, so the direction is distinguishable from zero at 90% confidence.
- How many people moved into Washington from another U.S. state?
- ACS 2024 1-year: 222,059 ± 12,169 (90% MOE). Previous-residence, not a count of trucks.
- How many people left Washington for another U.S. state?
- ACS 2024 1-year: 204,352 ± 10,306 (90% MOE).
- Is this the latest official table?
- Yes. Released 2026-01-21. No 2025 ACS state-to-state table is published.