CChronica Maps

What Country Was Portland In?

Portland (Oregon, United States of America) lies within 4 different states on Chronica Maps' 39 historical border maps. The longest stretch is under United States, from 1914 to today. The earliest state recorded here is Confederated Tribes of Siletz Indians (1492).

Who ruled Portland?

Period (by border map)Ruled by
500 BC – 1491North American Pacific foraging, hunting and fishing peoples
1492 – 1499Confederated Tribes of Siletz Indians
1500 – 1599Coqs
1600 – 1782Kalapuya
1783 – 1814Rupert's Land
1815 – 1879United States
1880 – 1913United States of America
1914 – todayUnited States
Map showing Portland in 1945Portland
Border map for 1945. See the world in 1945.

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Based on approximate historical borders; towns close to a frontier may be assigned to a neighbouring state.

Last updated 9 November 2026. Sources: border data from historical-basemaps, land and rivers from Natural Earth; texts written for Chronica Maps from standard reference works. How we make the maps.