In 2019, Gem County, ID had a population of 17.3k people with a median age of 44.6 and a median household income of $45,492. Between 2018 and 2019 the population of Gem County, ID grew from 17,052 to 17,331, a 1.64% increase and its median household income grew from $43,001 to $45,492, a 5.79% increase.
The 5 largest ethnic groups in Gem County, ID are White (Non-Hispanic) (87.7%), Other (Hispanic) (5.07%), White (Hispanic) (2.33%), Two+ (Non-Hispanic) (2.09%), and American Indian & Alaska Native (Non-Hispanic) (1.11%). 0% of the households in Gem County, ID speak a non-English language at home as their primary language.
97.7% of the residents in Gem County, ID are U.S. citizens.
In 2019, the median property value in Gem County, ID was $168,700, and the homeownership rate was 74.8%. Most people in Gem County, ID drove alone to work, and the average commute time was 26.7 minutes. The average car ownership in Gem County, ID was 2 cars per household.