In 2018, Arapahoe County, CO had a population of 651k people with a median age of 36.9 and a median household income of $76,768. Between 2017 and 2018 the population of Arapahoe County, CO grew from 643,052 to 651,215, a 1.27% increase and its median household income grew from $75,357 to $76,768, a 1.87% increase.
The 5 largest ethnic groups in Arapahoe County, CO are White (Non-Hispanic) (59.6%), White (Hispanic) (12.4%), Black or African American (Non-Hispanic) (10.5%), Asian (Non-Hispanic) (5.93%), and Other (Hispanic) (4.45%). 23.1% of the people in Arapahoe County, CO speak a non-English language, and 91.8% are U.S. citizens.
The largest universities in Arapahoe County, CO are Colorado State University-Global Campus (2,622 degrees awarded in 2017), Arapahoe Community College (1,378 degrees), and Community College of Aurora (909 degrees).
The median property value in Arapahoe County, CO is $392,400, and the homeownership rate is 63%. Most people in Arapahoe County, CO commute by Drove Alone, and the average commute time is 26.6 minutes. The average car ownership in Arapahoe County, CO is 2 cars per household.