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 households in Arapahoe County, CO speak a non-English language at home as their primary language, and 91.8% of the residents in Arapahoe County, CO are U.S. citizens.
The largest universities in Arapahoe County, CO are Colorado State University-Global Campus (3,617 degrees awarded in 2019), Arapahoe Community College (1,509 degrees), and American Sentinel University (1,023 degrees).
In 2018, the median property value in Arapahoe County, CO was $392,400, and the homeownership rate was 63%. Most people in Arapahoe County, CO drove alone to work, and the average commute time was 26.6 minutes. The average car ownership in Arapahoe County, CO was 2 cars per household.