In 2018, Marion County, OR had a population of 347k people with a median age of 36.8 and a median household income of $56,341. Between 2017 and 2018 the population of Marion County, OR grew from 341,286 to 346,868, a 1.64% increase and its median household income declined from $56,354 to $56,341, a -0.0231% decrease.
The 5 largest ethnic groups in Marion County, OR are White (Non-Hispanic) (64.7%), White (Hispanic) (13.7%), Other (Hispanic) (10.9%), Two+ (Non-Hispanic) (3.39%), and Asian (Non-Hispanic) (2.1%). NaNk% of the people in Marion County, OR speak a non-English language, and 91.8% are U.S. citizens.
The largest universities in Marion County, OR are Chemeketa Community College (1,871 degrees awarded in 2017), Willamette University (732 degrees), and Corban University (267 degrees).
The median property value in Marion County, OR is $270,200, and the homeownership rate is 58.1%. Most people in Marion County, OR commute by Drove Alone, and the average commute time is 22.7 minutes. The average car ownership in Marion County, OR is 2 cars per household.
Marion County, OR borders Jefferson County, OR, Linn County, OR, Polk County, OR, Clackamas County, OR, Yamhill County, OR, and Wasco County, OR.