 gladstone is a city located in clackamas county, oregon, united states. the population was 11,497 at the 2010 census. gladstone is an approximately four-square-mile (10&nbsp;kmÂ²) suburban community twelve miles (19&nbsp;km) south of portland at the
1911_establishments_in_Oregon Chautauqua Cities_in_Clackamas_County,_Oregon Cities_in_Oregon Portland_metropolitan_area