The median income of Casey County residents was an inflation-adjusted $19,213 per year. Casey County had 6,398 households in 2017, with a population of 15,805.
The county with the highest median resident income in the state was Oldham County. Oldham County's median income was $36,618 per year after adjusting for inflation – $17,405 more than Casey County. It had 20,465 households in 2017 and a population of 64,633.
McCreary County had the lowest annual resident income among counties in Kentucky, with a median income of only $12,116 per year. That was $7,097 less than the median income in Casey County at the time. McCreary County had 6,332 households in 2017 and a population of 17,748.
The table below shows the top 100 counties ranked by median annual resident earnings in 2017.