Total resident population in Washington

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Definitions: 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 October 5, 2018 from


Data last updated in October 2018 by Washington KIDS COUNT.

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