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PSU forecast: Astoria’s population is aging and school-age cohorts are projected to shrink
Summary
A Portland State University forecast presented to the Astoria SD 1 board showed the share of residents 65+ rising from about 14.6% in 1980 to roughly 23.6% now and projected declines in the 0–4 and school-age cohorts through mid-century, a trend that could pressure future enrollment and district planning.
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The board received a Portland State University population and enrollment forecast showing an aging local population and projections of fewer school‑age children in coming decades.
A board presenter summarized key PSU findings: the share of residents aged 65 and older has increased significantly (from about 14.6% in 1980 to roughly 23.63% in the most recent data), and fertility and birth projections suggest fewer young children through 2054. The presenter said the county and city charts project long‑term decline in school‑age cohorts, noting a projected drop in the 0–4 age group from about 1,808 (current) to roughly 1,427 by 2054.
Why it matters: Declining numbers of children and lower households-per-person ratios directly affect future school enrollment and revenue projections. Trustees heard that enrollment forecasts will require closer review and that the board should expect more detailed discussion when enrollment slides are presented.
The presenter walked through fertility, births/deaths and migration charts, explaining that steady long-term declines in births and modest net migration into the county will not offset the aging trend. City-level slides showed Astoria’s persons-per-household figure below the state average (about 2.1 vs. a state average near 2.23) and a lower share of households with children (about 23% in Astoria vs. 29% statewide), factors that reduce the expected pool of students.
Trustees asked clarifying questions about migration, age cohorts and the study’s time horizon; the presenter offered to provide more detail and noted that the enrollment section would require a separate, deeper review. The board deferred detailed enrollment discussion to a later meeting.

