In 2023, Jefferson County, ID had a population of 32.2k people with a median age of 32.3 and a median household income of $82,952. Between 2022 and 2023 the population of Jefferson County, ID grew from 31,383 to 32,234, a 2.71% increase and its median household income grew from $77,491 to $82,952, a 7.05% increase.
The 5 largest ethnic groups in Jefferson County, ID are White (Non-Hispanic) (86.1%), Other (Hispanic) (4.26%), Two+ (Hispanic) (4.22%), Two+ (Non-Hispanic) (2.23%), and White (Hispanic) (2.22%).
None of the households in Jefferson County, ID 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.
97.3% of the residents in Jefferson County, ID are U.S. citizens.
In 2023, the median property value in Jefferson County, ID was $335,000, and the homeownership rate was 82.4%.
Most people in Jefferson County, ID drove alone to work, and the average commute time was 24.8 minutes. The average car ownership in Jefferson County, ID was 3 cars per household.
Jefferson County, ID borders Bingham County, ID, Bonneville County, ID, Butte County, ID, Clark County, ID, Fremont County, ID, and Madison County, ID.