In 2022, Jefferson County, ID had a population of 31.4k people with a median age of 31.7 and a median household income of $77,491. Between 2021 and 2022 the population of Jefferson County, ID grew from 30,427 to 31,383, a 3.14% increase and its median household income grew from $69,097 to $77,491, a 12.1% increase.
The 5 largest ethnic groups in Jefferson County, ID are White (Non-Hispanic) (85.9%), Other (Hispanic) (4.37%), White (Hispanic) (3.39%), Two+ (Hispanic) (2.92%), and Two+ (Non-Hispanic) (1.99%).
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.
97.6% of the residents in Jefferson County, ID are U.S. citizens.
In 2022, the median property value in Jefferson County, ID was $284,700, and the homeownership rate was 82.4%.
Most people in Jefferson County, ID drove alone to work, and the average commute time was 24.4 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.