In 2017, Jefferson County, ID had a population of 27.4k people with a median age of 31.3 and a median household income of $58,055. Between 2016 and 2017 the population of Jefferson County, ID grew from 27,096 to 27,410, a 1.16% increase and its median household income grew from $54,646 to $58,055, a 6.24% increase.
The 5 largest ethnic groups in Jefferson County, ID are White (Non-Hispanic) (87.1%), Some Other Race (Hispanic) (5.33%), White (Hispanic) (3.67%), Two or More Races (Non-Hispanic) (1.64%), and Two or More Races (Hispanic) (1.42%). N/A% of the people in Jefferson County, ID speak a non-English language, and 96.7% are U.S. citizens.
The median property value in Jefferson County, ID is $166,200, and the homeownership rate is 81%. Most people in Jefferson County, ID commute by Drove Alone, and the average commute time is 23.3 minutes. The average car ownership in Jefferson County, ID is 2 cars per household.