 independence is a city in polk county, oregon, united states, on the west bank of the willamette river along oregon route 51, and east of nearby monmouth. it is part of the salem metropolitan statistical area. thirty square blocks of the oldest part of 
1874_establishments_in_Oregon Cities_in_Oregon Cities_in_Polk_County,_Oregon Independence,_Oregon Populated_places_established_in_1874 Populated_places_on_the_Willamette_River Salem,_Oregon_metropolitan_area