In 2017, Gilliam County, OR had a population of 1.91k people with a median age of 47 and a median household income of $39,831. Between 2016 and 2017 the population of Gilliam County, OR declined from 1,913 to 1,910, a -0.157% decrease and its median household income declined from $40,556 to $39,831, a -1.79% decrease.
The 5 largest ethnic groups in Gilliam County, OR are White (Non-Hispanic) (86%), White (Hispanic) (7.33%), American Indian & Alaska Native (Non-Hispanic) (5.18%), Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0.733%), and Some Other Race (Hispanic) (0.733%). N/A% of the people in Gilliam County, OR speak a non-English language, and 98.4% are U.S. citizens.
The median property value in Gilliam County, OR is $110,900, and the homeownership rate is 64%. Most people in Gilliam County, OR commute by Drove Alone, and the average commute time is 16.2 minutes. The average car ownership in Gilliam County, OR is 2 cars per household.