To reach the U.S. Census Bureau Office in Portland call

(503) 265-3403


The Population Research Center (PRC) is an interdisciplinary public service, research, and training unit for population-related data and research for the State of Oregon.

The mission of PRC is to provide population data, information, research, and analysis for Oregon and its communities. Center staff engage in a variety of demographic activities, including the Oregon State Data Center, the Oregon Population Estimates Program, and a variety of commissioned population projects. PRC staff also teach in the Nohad A. Toulan School of Urban Studies and Planning, supporting a graduate concentration in applied demography, and are developing a graduate certificate program in applied demography.

PRC News

The 2019 Annual Population Report Tables released April 15, 2020


Northern Willamette Valley and Northern Coast (Region 3) Preliminary Forecast Presentations posted 


How to identify a census taker or Census Bureau field representative


Estimates of Broad Age Groups by County for 2019 released.


Oregon's Census 2020 website is up


American Community Survey Profiles

These one-page profiles include a summary of key data from the 2014-2018 and 2009-2013 American Community Survey, evaluate the reliability of each estimate, and indicate whether differences between the two periods are statistically significant. 


Certified Population Estimates for July 1, 2019 released



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