Gilliam County is located in Oregon. There are roughly 1,959 residents, living in 904 households. The average temperature for Gilliam County this time of the year is low of 52F and high of 85F. On average, Gilliam County gets about 0.4 inches of precipitation in July. Most residents are home owners (61%), have a post secondary degree (59%) and are single, no kids (49%).
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