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Full-Text Articles in Urban Studies and Planning
Coordinated Population Forecast For Columbia County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2020-2070, Portland State University. Population Research Center, Nicholas Chun, Kevin Rancik, Paul Runge, Mac Cunningham, Deborah Loftus, Charles Rynerson
Coordinated Population Forecast For Columbia County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2020-2070, Portland State University. Population Research Center, Nicholas Chun, Kevin Rancik, Paul Runge, Mac Cunningham, Deborah Loftus, Charles Rynerson
Oregon Population Forecast Program
Different areas within Oregon counties experience different growth patterns. Those patterns combine to collectively determine county‐level demographic changes. Columbia County is comprised of two types of areas: its urban‐growth boundary (UGB) areas (Clatskanie, Columbia City, Prescott, Rainier, Scappoose, St. Helens, and Vernonia) and areas outside those UGBs.
Columbia County’s total population steadily increased in the 2000s, growing at 1.3 percent annually (see Figure 1). Some sub‐areas—such as Columbia City, Scappoose, and St. Helens along the Columbia River Highway—experienced faster population growth than the county, averaging between two and three percent growth annually. In contrast, Prescott and Vernonia lost population, and …