[1] Henry Kaiser built the World War II city of Vanport adjacent to Delta Park, helping house thousands who worked the shipyards.

[4] East Delta Park also has a dog off-leash area, a football field, paved paths, picnic tables, a playground, and a volleyball court.

[6] Portland International Raceway, for car, motorcycle and bicycle racing, is part of West Delta Park.

[10] Less attention was given to the homelessness crisis in Portland and unhoused areas like East Delta Park began to sprawl.

[12] North Union Court separates the Owens Sports Complex of East Delta Park and the encroaching encampments.

[13] News organizations have interviewed people living in the encampments, and it has been reported that many of the inhabitants have been parked in their recreational vehicles (RVs) for years.

[clarification needed][14] The people living in RVs around East Delta Park have developed into a community, one with leaders and rules.

[14] On September 26, 2020, inside of the Owens Sports Complex of East Delta Park, the grass soccer fields were the location of a Proud Boys rally of over 300 people.

[17] The Proud Boys rally of the Owens Sports Complex sparked a separate counter protest that gathered near Delta Park at the Vanport site in North Portland.

[12] Personal accounts from the manager of the store describe an increase in garbage, cars, camps, and structures piling up since the start of the pandemic.