------------------------------------------------------------------------------------------------------------------------- Boulder, CO ------------------------------------------------------------------------------------------------------------------------- 1983-1992: Boulder-Longmont, CO PMSA in Denver-Boulder, CO CMSA 1992-2003: Boulder-Longmont, CO PMSA in Denver-Boulder-Greeley, CO CMSA 2003-2006: Boulder, CO Metro Area in Denver-Aurora-Boulder, CO CSA Population History ------------------------------------------------------------------------------------------------------------------------- Component 1950 1960 1970 1980 1990 2000 2005 ------------------------------------------------------------------------------------------------------------------------- Boulder County, CO 48,296 74,254 131,889 189,625 225,339* 291,288* 279,508* ------------------------------------------------------------------------------------------------------------------------- Total - - - - 225,339 291,288 279,508 Percent Change - - - - - 29.3% -4.0% ------------------------------------------------------------------------------------------------------------------------- Total (as currently defined) 48,296 74,254 131,889 189,625 225,339 291,288 279,508 Percent Change - 53.7% 77.6% 43.8% 18.8% 29.3% -4.0% ------------------------------------------------------------------------------------------------------------------------- Component Change Timeline ---------------------------------------------------------------------------------------- 1950 1960 1970 1980 1990 2000 Component | | | | | | | | | | | | ---------------------------------------------------------------------------------------- Boulder County, CO '''''''''''''''''''''''''************************ ---------------------------------------------------------------------------------------- Population History ------------------------------------------------------------------------------------------------------------------------- City 1950 1960 1970 1980 1990 2000 2005 ------------------------------------------------------------------------------------------------------------------------- Boulder, CO 0 0 0 0 83,312* 94,673* 91,685* Longmont, CO 0 0 0 0 51,555* 71,069* 81,445 Total 0 0 0 0 134,867 165,742 91,685 Metro 0 0 0 0 225,339 291,288 279,508 Percent 59.9% 56.9% 32.8% Principal/Central City Change Timeline ---------------------------------------------------------------------------------------- 1950 1960 1970 1980 1990 2000 City | | | | | | | | | | | | ---------------------------------------------------------------------------------------- Boulder, CO ************************ Longmont, CO ******************** ---------------------------------------------------------------------------------------- Component Change History ------------------------------------------------------------------------------------------------------------------------- Dec 1958 Boulder County, CO added to Denver, CO SMA Apr 1973 Boulder, CO designated as central city of Denver, CO SMSA Jun 1983 New PMSA: Boulder-Longmont, CO PMSA in Denver-Boulder, CO CMSA Boulder County, CO included as original PMSA component, transferred from Denver-Boulder, CO SMSA Boulder, CO designated as original central city of new PMSA, transferred from Denver-Boulder, CO SMSA Longmont, CO designated as original central city of new PMSA Jun 2003 Boulder-Longmont, CO PMSA in Denver-Boulder-Greeley, CO CMSA became Boulder, CO Metro Area in Denver-Aurora-Boulder, CO CSA Longmont, CO no longer designated as principal/central city -------------------------------------------------------------------------------------------------------------------------