You are here

Home » Forecasting and Research

Forecasting and Research

Population forecasts and projections

Urban growth area maps

Population density by county

Growth Management Act population projections for counties: 2000 to 2025

Unincorporated fire protection district maps

Growth Management Act population projections for counties: 2000 to 2030

Group quarters population change by county: 2000 to 2010

Group Quarters Population Change by County for 2000 to 2010 for Washington Counties

Source: U.S. Census Bureau, Census 2000 Summary File 1 and 2010 Census Advance Group Quarters Summary File Data.

Population density by census block

Percent change in group quarters population by county: 2000 to 2010

Percent Change in Group Quarters Population by County for 2000 to 2010 for Washington Counties

Source: U.S. Census Bureau, Census 2000 Summary File 1 and 2010 Census Advance Group Quarters Summary File Data.

Annexations and municipal boundary changes

Important: If you are conducting a census at this time, please contact OFM at pop.annexations@ofm.wa.gov or 360-902-0599 for special COVID-19 census guidance.

Per RCW 35.13.260 and RCW 35A.14.700, jurisdictions must send annexation paperwork to the Office of Financial Management within 30 days of the annexation effective date. OFM approval is necessary for a city to qualify for revenues related to population.

Pages