In 2017, Gem County, ID had a population of 16.9k people with a median age of 45.2 and a median household income of $42,888. Between 2016 and 2017 the population of Gem County, ID declined from 16,853 to 16,850, a -0.0178% decrease and its median household income grew from $40,767 to $42,888, a 5.2% increase.
The population of Gem County, ID is 88% White Alone, 8.3% Hispanic or Latino, and 2.06% Two or More Races. N/A% of the people in Gem County, ID speak a non-English language, and 97.2% are U.S. citizens.
The median property value in Gem County, ID is $148,800, and the homeownership rate is 74.8%. Most people in Gem County, ID commute by Drove Alone, and the average commute time is 27.2 minutes. The average car ownership in Gem County, ID is 2 cars per household.