File:Oregon population growth.pngOregon. Resident Population and Apportionment of the U.S. House of Representatives. U.S. Census Bureau (December 27, 2000). Retrieved on 2009-08-28. English
File:Medford population growth.pngMoffatt, Riley. Population History of Western U.S. Cities & Towns, 1850-1990. Lanham: Scarecrow, 1996, 212. Subcounty population estimates: Oregon 2000-2007
File:Portland population growth.png2006-11-07. Oregon - Place Population Estimates. U.S. Census Bureau. Retrieved on 2010-07-09.[dead link] "U.S. Census Bureau delivers Oregon's 2010 census
File:Corvallis population growth.pngMoffatt, Riley. Population History of Western U.S. Cities & Towns, 1850-1990. Lanham: Scarecrow, 1996, 208. Subcounty population estimates: Oregon 2000-2007