In 2022, Jefferson County, CO had a population of 581k people with a median age of 40.2 and a median household income of $103,167. Between 2021 and 2022 the population of Jefferson County, CO grew from 580,130 to 580,519, a 0.0671% increase and its median household income grew from $93,933 to $103,167, a 9.83% increase.
The 5 largest ethnic groups in Jefferson County, CO are White (Non-Hispanic) (76.5%), White (Hispanic) (7.41%), Two+ (Hispanic) (5.36%), Two+ (Non-Hispanic) (3.25%), and Asian (Non-Hispanic) (2.79%).
None of the households in Jefferson County, CO reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
97.4% of the residents in Jefferson County, CO are U.S. citizens.
The largest universities in Jefferson County, CO are Red Rocks Community College (2,069 degrees awarded in 2022), Colorado School of Mines (1,937 degrees), and Colorado Christian University (1,497 degrees).
In 2022, the median property value in Jefferson County, CO was $556,800, and the homeownership rate was 70.6%.
Most people in Jefferson County, CO drove alone to work, and the average commute time was 27 minutes. The average car ownership in Jefferson County, CO was 2 cars per household.
Jefferson County, CO 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, and Teller County, CO.