The median income of Shelby County residents was an inflation-adjusted $21,804 per year. Shelby County had 9,218 households in 2017, with a population of 25,689.
The county with the highest median resident income in the state was Collin County. Collin County's median income was $43,532 per year after adjusting for inflation – $21,728 more than Shelby County. It had 323,905 households in 2017 and a population of 914,075.
Hudspeth County had the lowest annual resident income among counties in Texas, with a median income of only $12,295 per year. That was $9,509 less than the median income in Shelby County at the time. Hudspeth County had 890 households in 2017 and a population of 3,702.
The table below shows the top 100 counties ranked by median annual resident earnings in 2017.