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%). 0% of the households in Marion County, OR speak a non-English language at home as their primary language, and 91.8% of the residents in Marion County, OR are U.S. citizens.
In 2018, the median property value in Marion County, OR was $270,200, and the homeownership rate was 58.1%. Most people in Marion County, OR drove alone to work, and the average commute time was 22.7 minutes. The average car ownership in Marion County, OR was 2 cars per household.