Cheney built a new building, designed to meet the needs of the paper, which it occupied beginning in 1916.
[10] In March 2000, the East Oregonian Publishing Co. purchased the newspaper from Richard and Cheryl Swart.
[11][12] In June 2024, EO Media Group announced the Wallowa County Chieftain will cease print publication and go online-only.
All print subscribers will instead receive the East Oregonian, published weekly and including news from Wallowa County Chieftain's website.
[15] In December 2024, the paper's editor was laid off, leaving only one reporter to cover Wallowa and Union counties.