Annual Population Estimates & Forecasts

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Source U.S. Census Bureau; Washington Office of Financial Management; Thurston Regional Planning Council.
Data Table Population, Housing and Employment Data Tables
Explanation Thurston Regional Planning Council (TRPC) tracks building permits to provide annual population estimates for cities, towns, school districts, fire districts and other geographic areas in Thurston County. Estimates are calibrated to decennial census data and annual Office of Financial Management releases.

TRPC also forecasts population growth in the Thurston County region; the forecast is updated every 3 to 5 years. Though knowing the future with certainty is impossible, the agency strives to use systematic and reasonable assumptions to project possible scenarios.

For the most recent data visit:
For more information on these data programs, visit:
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