Total Population (1960–2025)

Definition

The figures include all persons
usually residing in an area including military personnel and
dependents, persons living in correctional institutions, and persons
living in nursing homes or other care facilities.

Data Source

Washington State Office of Financial Management (OFM). Data were retrieved on December 9, 2025 from ofm.wa.gov.

Notes

OFM is charged with developing accurate and fair population estimates for the allocation of state revenues and program administration. OFM technical notes on estimation methods are available online at https://www.ofm.wa.gov/washington-data-research/population-demographics/population-estimates/april-1-official-population-estimates/technical-information.

Last Updated

2025-12