The median income of Caribou County residents was an inflation-adjusted $26,223 per year. Caribou County had 2,533 households in 2017, with a population of 6,862.
The county with the highest median resident income in the state was Teton County. Teton County's median income was $32,088 per year after adjusting for inflation – $5,865 more than Caribou County. It had 3,764 households in 2017 and a population of 10,776.
Madison County had the lowest annual resident income among counties in Idaho, with a median income of only $11,288 per year. That was $14,935 less than the median income in Caribou County at the time. Madison County had 10,633 households in 2017 and a population of 38,241.
The table below shows the state's counties ranked by median annual resident earnings in 2017.