COVID-19 For the latest COVID-19 health guidance, statistics and resources, visit: Coronavirus.wa.gov About us Contact us Publications & reports Office of Financial Management Search Home Washington Data & Research Budget Accounting Facilities State Human Resources IT Systems Population & demographics The Forecasting division conducts research on a variety of issues related to the state budget, public policy, and demographics. The Population unit develops official state and local population estimates and projections for use in the allocation of certain state revenues, growth management, and other planning functions. As the official partner of the U. S. Census Bureau for Washington state, the Population unit helps disseminate information about the characteristics of Washington’s population, housing, and economy and provide guidance to a variety of stakeholders in accessing and using demographic information. Annexations and municipal boundary changes American Community Survey Decennial Census 2020 2010 2000 GIS data State Data Center program Contact us Population estimates Age, sex, race, and Hispanic origin April 1 population Historical estimates Housing Components of change Population density Small area estimates program Special areas Special subject estimates Population forecasts & projections Age, sex, race, and Hispanic origin Growth Management Act county projections State population forecast See also... Get email notification of new publications Frequently requested population items [Excel] County & city data Washington trends - population changes [charts & maps] Visit our partner sites: fiscal.wa.gov governor.wa.gov results.wa.gov oria.wa.gov servewashington.wa.gov About us What we do Jobs at OFM News releases Procurements & contracts Publications & reports Rulemaking activities Get email updates For the public Public record request Salaries earned by state employees County & city data Tax & fee proposals (I-960) Petition for rulemaking [PDF] For state agencies One Washington - transformation of enterprise systems Access to systems Training for staff Fiscal notes Memos sent to agencies and the Legislature System outages Contact us Site feedback Accessibility Privacy Intended use File types & downloads © Copyright 2019 OFM