In 2018, Jefferson County, ID had a population of 28k people with a median age of 31.2 and a median household income of $60,162. Between 2017 and 2018 the population of Jefferson County, ID grew from 27,410 to 27,969, a 2.04% increase and its median household income grew from $58,055 to $60,162, a 3.63% increase.
The 5 largest ethnic groups in Jefferson County, ID are White (Non-Hispanic) (86.8%), White (Hispanic) (5.28%), Other (Hispanic) (4.67%), Two+ (Non-Hispanic) (1.47%), and American Indian & Alaska Native (Non-Hispanic) (0.551%). NaNk% of the people in Jefferson County, ID speak a non-English language, and 97.1% are U.S. citizens.
The median property value in Jefferson County, ID is $184,100, and the homeownership rate is 79.7%. Most people in Jefferson County, ID commute by Drove Alone, and the average commute time is 22.8 minutes. The average car ownership in Jefferson County, ID is 2 cars per household.