Jefferson County, CO has a population of 571,837 people with a median age of 40.2 and a median household income of $74,186. Between 2015 and 2016 the population of Jefferson County, CO grew from 565,524 to 571,837, a 1.12% increase and its median household income grew from $71,136 to $74,186, a 4.29% increase.
The population of Jefferson County, CO is 78.5% White, 15.2% Hispanic, and 2.97% Asian. 11.6% of the people in Jefferson County, CO speak a non-English language, and 96.9% are U.S. citizens.
The largest universities in Jefferson County, CO are Red Rocks Community College, with 1,997 graduates, Colorado School of Mines, with 1,387 graduates, and Colorado Christian University, with 913 graduates.
The median property value in Jefferson County, CO is $360,800, and the homeownership rate is 71.5%. Most people in Jefferson County, CO commute by Drove Alone, and the average commute time is 25.1 minutes. The average car ownership in Jefferson County, CO is 2 cars per household.
Jefferson County, CO is the 4th most populated county in Colorado and borders Adams County, CO; Arapahoe County, CO; Boulder County, CO; Broomfield County, CO; Clear Creek County, CO; Denver County, CO; Douglas County, CO; Gilpin County, CO; Park County, CO; Teller County, CO& 5 more.