------------------------------------------------------------------------------------------------------------------------- Kennewick-Richland-Pasco, WA ------------------------------------------------------------------------------------------------------------------------- 1971-1978: Richland-Kennewick, WA SMSA 1978-1983: Richland-Kennewick-Pasco, WA SMSA 1983-2003: Richland-Kennewick-Pasco, WA MSA 2003-2006: Kennewick-Richland-Pasco, WA Metro Area Population History ------------------------------------------------------------------------------------------------------------------------- Component 1950 1960 1970 1980 1990 2000 2005 ------------------------------------------------------------------------------------------------------------------------- Benton County, WA 51,370 62,070 67,540 109,444* 112,560* 142,475* 157,920* Franklin County, WA 13,563 23,342 25,816 35,025* 37,473* 49,347* 62,972* ------------------------------------------------------------------------------------------------------------------------- Total - - - 144,469 150,033 191,822 220,892 Percent Change - - - - 3.9% 27.9% 15.2% ------------------------------------------------------------------------------------------------------------------------- Total (as currently defined) 64,933 85,412 93,356 144,469 150,033 191,822 220,892 Percent Change - 31.5% 9.3% 54.8% 3.9% 27.9% 15.2% ------------------------------------------------------------------------------------------------------------------------- Component Change Timeline ---------------------------------------------------------------------------------------- 1950 1960 1970 1980 1990 2000 Component | | | | | | | | | | | | ---------------------------------------------------------------------------------------- Benton County, WA ************************************ Franklin County, WA ************************************ ---------------------------------------------------------------------------------------- Population History ------------------------------------------------------------------------------------------------------------------------- City 1950 1960 1970 1980 1990 2000 2005 ------------------------------------------------------------------------------------------------------------------------- Kennewick, WA 0 0 0 34,397* 42,155* 54,693* 60,997* Richland, WA 0 0 0 33,578* 32,315* 38,708* 44,317* Pasco, WA 0 0 0 17,944* 20,337* 32,066* 46,494* Total 0 0 0 85,919 94,807 125,467 151,808 Metro 0 0 0 144,469 150,033 191,822 220,892 Percent 59.5% 63.2% 65.4% 68.7% Principal/Central City Change Timeline ---------------------------------------------------------------------------------------- 1950 1960 1970 1980 1990 2000 City | | | | | | | | | | | | ---------------------------------------------------------------------------------------- Kennewick, WA ************************************ Richland, WA ************************************ Pasco, WA ***************************** ---------------------------------------------------------------------------------------- Component Change History ------------------------------------------------------------------------------------------------------------------------- Nov 1971 New SMSA: Richland-Kennewick, WA SMSA Benton County, WA included as original SMSA component Franklin County, WA included as original SMSA component Kennewick, WA designated as original central city of new SMSA Richland, WA designated as original central city of new SMSA Nov 1978 Title of Richland-Kennewick, WA SMSA changed to Richland-Kennewick-Pasco, WA SMSA Pasco, WA designated as central city of SMSA Jun 2003 Title of Richland-Kennewick-Pasco, WA MSA changed to Kennewick-Richland-Pasco, WA Metro Area -------------------------------------------------------------------------------------------------------------------------