Inlandia started as a joint project of the Riverside Public Library and Heyday Books in 2007 and was formally established as an independent non-profit organization in June 2009.
[2] Cati Porter, acclaimed Riverside poet and editor, became Executive Director of the Inlandia Institute after Mitchell-Wilson's departure.
[2] Shortly after the publication of the anthology, Malcolm Margolin, founder and owner of Heyday Books, began receiving numerous requests for more literary content produced by area residents.
[2] The City of Riverside and Heyday Books entered into a Memorandum of Understanding to establish the Inlandia Institute in August 2007.
Since 2015, Inlandia Institute has awarded two annual prizes for books of poetry in honor of Hillary Gravendyk (1979-2014), "a beloved poet living and teaching in Southern California’s 'Inland Empire' region.