Bayside Gardens, OR has a population of 662 and is the 17,804th largest city in the United States. The population density is 668 per sq mi which is 1586% higher than the Oregon average and 637% higher than the national average. The median age in Bayside Gardens is 49 which is approximately 24% higher than the Oregon average of 39. In Bayside Gardens, 70% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 54% of Bayside Gardens residents were born in Oregon, 43% were born out of state, 0% were born outside of the United States and 2% were foreign born.