Astoria, OR has a population of 9,595 and is the 4,058th largest city in the United States. The population density is 1,563 per sq mi which is 3848% higher than the Oregon average and 1625% higher than the national average. The median age in Astoria is 44 which is approximately 13% higher than the Oregon average of 39. In Astoria, 56% of the population over 15 years of age are married, 89% speak English and 7% speak Spanish. 43% of Astoria residents were born in Oregon, 49% were born out of state, 1% were born outside of the United States and 7% were foreign born.